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ATK High Performance GM 350 Vortec 290 hp Stage 3 long block crate engines are perfect replacements for your worn out SBC. They are designed with matched components for reliable performance with extra "go power", and they require an electric fuel pump. ATK Stage 3 or complete dressed engines are engineered for those wanting to drop the engine into their project and fire it up. They have outfitted the engines as completely as possible to save you time and headaches. Typically ATK GM 350 Vortec 290 hp complete long blocks consist of: * OE block bored to 4.060 in. diameter with 2-bolt mains and a one-piece rear main seal * OE reground crankshaft with a 3.480 in. stroke * OE powder metal 5.7 in. length connecting rods * Hypereutectic 9.4:1 compression ratio pistons * Moly piston rings * Hydraulic roller camshaft (191/194 duration at 50, .414/.428 in. lift, 111 LSA) * Cast iron Vortec cylinder heads with 64cc combustion chambers, 165cc intake runners, and come with 1.94 in./1.5 in. valves. * Stamped steel 1.5 ratio rocker arms * Single roller timing set * 5 qt. oil pan ( will not fit Chevelle with steering behind crossmember, some Corvettes, and 1962-67 Chevy II) * Melling standard volume oil pump * Valve covers * Flexplate * ATK HP dual plane intake manifold * Distributor HEI * Cast iron long water pump * Front Powerbond balancer (internally balanced) * Pioneer externally balanced 168 tooth flexplate * Quick Fuel Brawler 670cfm carburetor * Autolite spark plugs (605) with 8mm wires
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$3,625.99
Awesome performance and awesome looks combine with these ATK High Performance GM 350 390 hp Stage 1 long block crate engines. They are topped with trick looking parts and they have the power to back them up. These engines are hand-assembled and balanced to help them put out 390 hp and 420 ft.-lbs. of torque that will tear up the street or strip. Whether you are looking to pack some more power in your street rod, muscle car, or truck, ATK has you covered. ATK GM 350 390 hp Stage 1 long block crate engines include: * Handpicked, remanufactured block * ATK High Performance aluminum cylinder heads with 2.020 in. /1.600 ex. valves * OE crankshaft and connecting rods * Hypereutectic pistons * Hydraulic roller camshaft * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube
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$3,798.99
Replace your old, tired mill with ATK High Performance Ford 302 300 hp Stage 2 long block crate engines to give your old ride new life. These engines are designed to be perfect replacements for your old 302, but with a bit more kick. The upgraded engines produce 300 hp and 336 ft.-lbs., while still maintaining a smooth idle and great driving manner. These mills are perfect for daily drivers or mild-mannered street rods. Ford 302 300 hp Stage 2 long block crate engines feature: * Handpicked, remanufactured blocks * OE cast iron cylinder heads * Intake manifold * OE crankshaft and connecting rods * Hypereutectic pistons * Hydraulic roller camshaft * Cam lift- .498 int./.498 exh. * Cam duration @ 0.50- 219 int./219 exh. * 9.0:1 compression * Distributor * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube * Water pump * Front damper and flexplate
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$4,210.99
Classic Ford 302 stock drop-in long block crate engines from ATK High Performance are shipped to you fully dressed. These are basic stock engines with moderate horsepower and torque based off the 80-86 Ford 302 engine. These engines typically make about 240 horsepower on the dynamometer. Additional specs: * Block: seasoned OE roller block * Bore/Stroke: up to 4.060 x 3.000 * Displacement: 302 c.i.d. * Crankshaft: OE Ford cast late model crankshaft (50 oz. imbalance) * OE steel connecting rods 5.4 in. stock bolts * Pistons: hypereutectic * Piston rings: moly rings * Compression Ratio: 8.5:1 * Camshaft: hydraulic flat tappet * Camshaft specifications: OE stock * Camshaft bearings installed and blocked to OEM position * Cylinder heads: OE cast iron * Freeze plugs: brass installed and sealed * Rocker arms: stamped steel 1.5 ratio * Oil galley plugs: installed and sealed * Oil pan: OE 5 qt. front sump * Weight: 430 lbs. * For engine break-in please follow the ATK break-in procedure that is included with the engine.
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$3,998.99
Holley offers performance packages for 2018-2021 2-door Polaris RZR Turbo S models, designed to enhance power, handling, and safety for your off-road adventures. Each package is expertly curated with top-tier aftermarket parts from the most trusted names in the industry, including XDR, Simpson, ADS Racing Shocks, and more. No guesswork. No compromises. Just proven upgrades designed to transform your UTV into a trail-dominating machine. Whether you're a weekend warrior or a hardcore off-road enthusiast, Holley's UTV Performance Packages can give you the confidence to push further, ride harder, and perform better! Features and benefits: * High-flow intake and exhaust systems—boost horsepower and torque with improved airflow and aggressive sound * Performance suspension upgrades will allow you to tackle the toughest terrain with smoother rides, better control, and more travel * Seats and harnesses—stay safe and locked in when the ride gets rough * Premium seating and multi-point harness systems keep you secure and comfortable through high-speed runs, sharp turns, and uneven terrain * Bulletproof durability components—built to withstand harsh conditions, extreme use, and everything the trail throws your way * Each kit is engineered for easy installation, so you can spend less time in the garage and more time exploring
Not Yet Reviewed
$3,844.95
Holley offers performance packages for 2018-2021 4-door Polaris RZR Turbo S models, designed to enhance power, handling, and safety for your off-road adventures. Each package is expertly curated with top-tier aftermarket parts from the most trusted names in the industry, including XDR, Simpson, ADS Racing Shocks, and more. No guesswork. No compromises. Just proven upgrades designed to transform your UTV into a trail-dominating machine. Whether you're a weekend warrior or a hardcore off-road enthusiast, Holley's UTV Performance Packages can give you the confidence to push further, ride harder, and perform better! Features and benefits: * High-flow intake and exhaust systems—boost horsepower and torque with improved airflow and aggressive sound * Performance suspension upgrades will allow you to tackle the toughest terrain with smoother rides, better control, and more travel * Seats and harnesses—stay safe and locked in when the ride gets rough * Premium seating and multi-point harness systems keep you secure and comfortable through high-speed runs, sharp turns, and uneven terrain * Bulletproof durability components—built to withstand harsh conditions, extreme use, and everything the trail throws your way * Each kit is engineered for easy installation, so you can spend less time in the garage and more time exploring
Not Yet Reviewed
$5,351.95
Holley Off-Road has been working hard to bring innovation and incredible products to your Ram 1500 platform. These Performance Packages by Holley are a comprehensive performance upgrade kit tailored for 2019-2024 Ram 1500 pickups. The suspension upgrades feature ADS Racing Shocks Mesa 2.5 Series shocks, which are larger than stock, providing increased fluid capacity to prevent shock fade and deliver exceptional off-road durability combined with commuter comfort. The kit also includes a Flowmaster Signature Series exhaust system, known for its hand-welded 304 stainless steel construction and balanced sound profile, offering an aggressive yet moderate tone. Additionally, each package is equipped with a tuner suited for each model year, including DiabloSport PredatorX, Intune 3, and DFM Module + Amp'd Throttle Boost Kit, all of which provide pre-loaded tunes and customization options for optimal performance. Finally, Big Claw Performance rotors are included, designed for improved braking performance and enhanced cooling to ensuring safety and reliability during high-performance driving. Gear up your 2019-24 Ram 1500 pickup for your next off-road adventure with one of these complete Performance Package upgrades from Holley Off-Road.
Not Yet Reviewed
$5,043.95
Gear up for your next off-road adventure with complete Performance Package upgrades from Holley Off-Road. They deliver performance systems from exhaust to brakes, tuners, suspension, and more, and their products are engineered to work together, ensuring you have everything you need to have fun on and off the road. Holley Off-Road 2005-15 Toyota Tacoma performance packages target key areas of suspension, exhaust, and throttle response. The ADS Mesa front and rear shocks improve ride quality and handling, providing a smoother, more controlled driving experience whether on or off-road, while the ADS tubular front upper control arms enhance suspension geometry, allowing for better alignment and more precise handling. To amplify your Tacoma's exhaust performance, the Flowmaster Outlaw Extreme cat-back exhaust system offers increased horsepower and a deep, aggressive exhaust tone. Finally, the AEM throttle control module improves throttle response, ensuring quicker and more precise acceleration. Together, these parts complement one another, creating a well-rounded and highly responsive vehicle that can handle whatever you throw at it. Features: * ADS Mesa 2.5 front shocks: Designed for maximum durability and performance, featuring a UV-stable ceramic powdercoated steel shock body and black anodized billet aluminum top and bottom caps. * ADS Mesa 2.5 rear shocks: Internal floating piston (IFP) ensures consistent damping performance, improved responsiveness, and increased longevity and reliability. * ADS tubular front upper control arms: Accommodate lifts to 4 in., correct camber and caster for a smoother ride, and are fully rebuildable, making them a sustainable and long-lasting upgrade. * Flowmaster Outlaw Extreme cat-back exhaust systems: Features Outlaw Series muffler for a deep powerful sound and increased performance. * AEM throttle control module: Improves throttle response and transforms the feel of the vehicle
Not Yet Reviewed
$3,646.95
Gear up for your next off-road adventure with complete Performance Package upgrades from Holley Off-Road. They deliver performance systems from exhaust to brakes, tuners, suspension, and more, and their products are engineered to work together, ensuring you have everything you need to have fun on and off the road. Holley Off-Road 2016-23 Toyota Tacoma performance packages give your vehicle a major performance boost in key areas like suspension and exhaust. The ADS Mesa front and rear shocks improve ride quality and control, making sure you're set up for a smoother, more stable drive whether you're cruising or off-roading, while the ADS tubular front upper control arms help with suspension strength and geometry, ensuring better handling and alignment for more precise driving. Making your vehicle really stand out is the Flowmaster Outlaw Extreme cat-back exhaust system that boosts your engine's output while giving you that unmistakable Flowmaster aggressive sound. Together, these parts work in sync to improve how your vehicle handles, performs, and sounds, creating a more exciting and capable driving experience. Enhance power, control, and style with the expertly crafted components in a Holley Off-Road performance package. Features: * ADS Mesa 2.5 front shocks: The large bore 2.50 in. shock body increases fluid capacity, effectively resisting shock fade to boost off-road performance. Fully rebuildable. * ADS Mesa 2.5 rear shocks: Internal floating piston (IFP) ensures consistent damping performance, improved responsiveness, and increased longevity and reliability. * ADS tubular front upper control arms: Accommodate lifts to 4 in., correct camber and caster for a smoother ride, and are fully rebuildable, making them a sustainable and long-lasting upgrade. * Flowmaster Outlaw Extreme cat-back exhaust systems: Features Outlaw Series muffler for a deep powerful sound and increased performance.
Not Yet Reviewed
$3,350.95
Gear up for your next off-road adventure with complete Performance Package upgrades from Holley Off-Road. They deliver performance systems from exhaust to brakes, tuners, suspension, and more, and their products are engineered to work together, ensuring you have everything you need to have fun on and off the road. Holley Off-Road 2014-18 Chevy/GMC performance packages are comprehensive upgrades specifically tailored to these pickups. The suspension upgrades feature ADS Racing Mesa 2.5 Series shocks, which are larger than stock, providing increased fluid capacity to prevent shock fade and deliver exceptional off-road durability combined with commuter comfort. The kits also include a Flowmaster Signature Series exhaust system, known for its hand-welded 304 stainless steel construction and balanced sound profile, offering an aggressive yet moderate tone. Additionally, these packages are equipped with a DiabloSport PredatorX, which provides pre-loaded tunes and customization options for optimal performance. Finally, the Big Claw performance rotors, designed for improved braking performance and enhanced cooling, ensure safety and reliability during high-performance driving. Features: * ADS Mesa 2.5 in. front coilovers: Premium shock absorbers are designed for maximum durability and performance, featuring a UV-stable ceramic powdercoated steel shock body and black anodized billet aluminum top and bottom caps. * ADS Mesa rear shocks: Filled with premium full synthetic shock oil, the shock absorber incorporates an internal floating piston (IFP) to ensure consistent damping performance, improved responsiveness, and increased longevity. * Flowmaster Signature Series exhaust: Premium exhaust system is TIG welded for a stronger, more precise weld that looks as good as it sounds. * Diablosport PredatorX: PredatorX is the latest in tuning technology. Using your smartphone, you can interface with PredatorX through our mobile app and handle all of your tuning needs, right from your pocket. * Baer Brakes: Baer Brakes Claw combo kits are a great way to improve your vehicles braking performance and overall appearance at an affordable price.
Not Yet Reviewed
$4,118.95
Gear up for your next off-road adventure with complete Performance Package upgrades from Holley Off-Road. They deliver performance systems from exhaust to brakes, tuners, suspension, and more, and their products are engineered to work together, ensuring you have everything you need to have fun on and off the road. Holley Off-Road 2019-22 Chevy/GMC performance packages are comprehensive upgrades specifically tailored to these pickups. The suspension upgrades feature ADS Racing Mesa 2.5 Series shocks, which are larger than stock, providing increased fluid capacity to prevent shock fade and deliver exceptional off-road durability combined with commuter comfort. The kits also include a Flowmaster Signature Series exhaust system, known for its hand-welded 304 stainless steel construction and balanced sound profile, offering an aggressive yet moderate tone. Additionally, these packages are equipped with a DiabloSport InTune 3, which provides pre-loaded tunes and customization options for optimal performance. Finally, the Big Claw performance rotors, designed for improved braking performance and enhanced cooling, ensure safety and reliability during high-performance driving. Features: * ADS Mesa 2.5 in. front coilovers: Premium shock absorbers are designed for maximum durability and performance, featuring a UV-stable ceramic powdercoated steel shock body and black anodized billet aluminum top and bottom caps. * ADS Mesa rear shocks: Filled with premium full synthetic shock oil, the shock absorber incorporates an internal floating piston (IFP) to ensure consistent damping performance, improved responsiveness, and increased longevity. * Flowmaster Signature Series exhaust: Features a 3.00 in. inlet pipe leading into a TIG-welded 304 stainless steel Signature Series "straight-through" muffler for great sound and maximum performance. * Diablosport InTune 3 GM tune: Includes industry leading inTune 3 handheld tuner, along with the locksmith device and harnesses required to unlock both the ECM and TCM in your truck * Baer Brakes: Baer Brakes Claw combo kits are a great way to improve your vehicles braking performance and overall appearance at an affordable price.
Not Yet Reviewed
$4,477.95
Gear up for your next off-road adventure with complete Performance Package upgrades from Holley Off-Road. They deliver performance systems from exhaust to brakes, tuners, suspension, and more, and their products are engineered to work together, ensuring you have everything you need to have fun on and off the road. Holley Off-Road 2022.5-24 Chevy/GMC performance packages are comprehensive upgrades specifically tailored to these pickups. The suspension upgrades feature ADS Racing Mesa 2.5 Series shocks, which are larger than stock, providing increased fluid capacity to prevent shock fade and deliver exceptional off-road durability combined with commuter comfort. The kits also include a Flowmaster Signature Series exhaust system, known for its hand-welded 304 stainless steel construction and balanced sound profile, offering an aggressive yet moderate tone. Additionally, these packages are equipped with a DiabloSport DFM Module + Amp'd throttle boost kit, which provides pre-loaded tunes and customization options for optimal performance. Finally, the Big Claw performance rotors, designed for improved braking performance and enhanced cooling, ensure safety and reliability during high-performance driving. Features: * ADS Mesa 2.5 in. front coilovers: Premium shock absorbers are designed for maximum durability and performance, featuring a UV-stable ceramic powdercoated steel shock body and black anodized billet aluminum top and bottom caps. * ADS Mesa rear shocks: Filled with premium full synthetic shock oil, the shock absorber incorporates an internal floating piston (IFP) to ensure consistent damping performance, improved responsiveness, and increased longevity. * Flowmaster Signature Series exhaust: Features a 3.00 in. inlet pipe leading into a TIG-welded 304 stainless steel Signature Series "straight-through" muffler for great sound and maximum performance. * DFM + Amp'd pedal controller: Take control of your driving experience with the Range DFM module and Amp'd throttle controller kit, designed exclusively for new GM trucks (2022.5-2025 1500 V8 and SUVs 2021-2024 V8). * Baer Brakes: Each kit includes a pair of direct replacement Baer Claw slot, drilled and zinc-plated rotors, a set of Baer Claw ceramic performance street pads and stainless steel abutment and noise suppression hardware.
Not Yet Reviewed
$4,162.95
Amplify your driving experience with a Fleece Performance Cheetah turbocharger. Featuring a Fleece exclusive 63mm FMW compressor wheel and a high-flow turbine wheel, these turbos are capable of supporting up to 650 rear wheel horsepower without sacrificing any drivability. These drop-in replacements offer smooth and quick throttle response with big top-end power. Whether you're towing, racing, sled pulling, or just driving to work, the Cheetah will get the job done. Order the model recommended for your truck.
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$2,699.00
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$3,099.00
ATK High Performance GM 350 345 hp/400 lbs.-ft. Stage 1 long block crate engines are classics with great street manners, and vacuum to power all your accessories. These Stage 1 or base engines are designed for those that may have their own component parts already, and who also are interested in completing out the build themselves. Typically ATK GM 350 345 hp base long block engines consist of: * Seasoned OE short block with 4-bolt mains * OE cast crankshaft * OE 5.7 in. powder metal connecting rods * Hypereutectic pistons * Moly piston rings * Hydraulic roller camshaft * 220/224 at .050 in. * .495 in./502 in. lift 110 LSA * ATK cast iron cylinder heads * 76cc combustion chambers * 165cc intake runners * 1.94 in./1.5 in. valves * Stamped steel 1.5 ratio rocker arms * Valve covers * Timing set and cover * Oil pan, high volume oil pump with pick-up tube
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$3,198.99
The Ford Performance by WARN Super-Duty winch kit was co-developed by Ford and WARN engineers to create a winch solution for the 2020-22 Super Duty that offers an OEM level of fit, finish, durability, and vehicle integration. These kits include: * Unique WARN 12,000 lb. winch * 70 ft. synthetic winch line * 12,000 lb. Epic winch hook * Ford Performance-branded blue hook strap * Wireless and wired remote controls * Required bracketry and hardware
( 2 )
$2,926.99
Ford Performance Parts 2018 2.3L 310 hp EcoBoost long block crate engines are designed for traditional rear drive installations. They're the same EcoBoost engine found in the 2018 Mustang and feature turbocharging, direct injection, and twin independent variable cam timing (Ti-VCT). The swap possibilities are almost endless: from early street rods, kit cars, most generations of Mustang, to just about any other vehicle build. Ford Performance Parts 2.3L 310 hp Mustang EcoBoost engine kit—this kind of performance comes standard with a dose of adrenaline! Features and items: * 310 hp and 350 lbs.-ft. torque at 3,000 rpm (with 93 octane fuel) * Production turbocharger * Starter and mounting hardware * Alternator and mounting hardware * Flywheel * Engine harness (not installed, must be used with Ford Performance control pack) * Throttle body (not installed, must be used with Ford Performance control pack) * Engine kit uses Ford Performance Parts M-6017-23T control pack (not included) for easy plug-and-play installation
( 1 )
$5,242.99
On Sale
FTI Performance TH400 Level 4 transmissions feature a full manual valve body equipped with a transbrake for the ultimate drag racer. They make an excellent choice for weekend bracket racers, high-powered street cars, and mud trucks. The transmissions have: a 34-element intermediate sprag, performance clutches and steels, high-flow pump, race-prepped stock case, deep aluminum pan, billet forward clutch hub, heavy-duty intermediate retainer, and a 4-clutch intermediate pack. Some models are compatible with Ultra Bell bellhousings.
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$2,499.00
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$3,975.00
$2,374.05
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$3,776.25
Give your car or truck a little more punch with one of these ATK High Performance GM 350 Vortec 350 hp Stage 2 long block crate engines. These engines are built from the ground up to replace your old, tired mill with a more modern, efficient engine. ATK hand-builds and balances each one these engines to ensure they are great-running, reliable engines that will get you back on the road. Engine specifications: * HP: 350 * TQ: 400 * Block: OE roller block 4-bolt main 1-pc seal 1996-2000 * Bore/Stroke: 4.040 in. x 3.480 in. * Displacement: 350CI * Crankshaft: OE reground external balance rear of crank/internal balance front of the crank * Rods: OE powder metal 5.7 in. * Pistons: Hypereutectic 9.5:1 compression * Rings: Moly * Camshaft: Hyd. Roller * Cam Specs: 220/224 @50 .495in/.502ex 110LSA * Timing Chain: Double roller * Cylinder Heads: Vortec cast iron 67cc 1.94/1.50 *Rocker Arms: Stamped steel 1.5 ratio * Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some Corvettes and 62-67 Chevy II's) * Oil Pump: Melling STD volume * Balancer: Internally balanced – PowerBond #PB1046-N * Flexplate: Externally balanced – Pioneer #FRA-159 * Intake Manifold: ATK HP dual plane * Distributor: HEI (Iron Gear) * Water Pump: OE long pump Recommended components: * Carburetor: Quick Fuel 680CFM vacuum secondary's electric choke #HR-680 * Fuel Pump: Holley mechanical 110GPH #12-327-11 * Spark Plugs: Autolite #605 * Spark Plug Wires: 8mm Engine Info: * Oil: Conventional/Non-Synthetic 10W30 * Oil Filter: Wix or K&N * Timing: 34-36 Degrees * Spark Plug Gap: .035 in. * Firing Order: 18436572 * Octane: 91+ * Stall Converter: Stock * Exhaust: 1 5/8 Headers
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$3,688.99
Give your old ride new life with these ATK High Performance GM 350 345 hp/400 lbs.-ft. Stage 3 long block crate engines. These engines are built to perform and look great without breaking your budget. Each engine is expertly assembled, balanced, blueprinted, and topped with quality components, making it a solid, reliable mill to power your muscle car, street rod, or pickup. ATK GM 350 345 hp Stage 3 long block crate engines include: * Handpicked, OE remanufactured block * ATK cast iron 75cc/165cc 1.94/1.50 heads * ATK dual plane intake manifold * Quick Fuel 680 cfm vacuum secondary carburetor * OE crankshaft * OE 5.7 in. powder metal connecting rods * Hypereutectic pistons * Hydraulic roller camshaft .495in/.502ex 110LSA * HEI Distributor, plug wires and plugs * Holley 110 GPH mechanical fuel pump * Valve covers * Timing cover and double roller timing set * 5 qt. oil pan, high volume oil pump with pickup tube * OE style long water pump * PowerBond 8 in. balancer and 168 tooth flexplate
( 1 )
$4,504.99
Dart SHP blocks are tailored to the most popular performance and racing applications. So, when you want more than stock blocks can provide, the strong reliable design and plentiful features of Dart SHP special high performance Ford engine blocks offer the perfect base foundation to start your build. Key features of SHP small block Ford bare blocks are: * Brand new precision machined cast iron block * Scalloped outer water jacket walls improve coolant flow around the cylinder barrels to equalize temperatures * Priority main oiling system directs oil to the main bearings first for more dependable lubrication * Available with 302 (8.200 in.) deck height or 351 (9.500 in.) * Provisions for OE roller lifters, dog bones and spider * Siamese bores 4.000 in. or 4.125 in. (unfinished) with extra thick cylinder walls * Extra thick decks ensure reliable head gasket seal * Blind tapped head bolt holes to prevent water leaks * Steel 4-bolt main caps on #2, 3 and 4 with splayed outer bolts. (2-bolt main caps on #1 and 5) * Can use most stock components and accessories
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$2,699.99
Give your ride new life with ATK High Performance GM 350 330 hp/380 lbs.-ft. Stage 1 long block crate engines. These engines are based on the tried-and-true small block Chevy and are built to perform right out of the box. ATK hand-assembles and balances each engine using top-quality parts to help them produce awesome power. Whether you are replacing an older, worn down engine or just looking for a little more performance, ATK has you covered. Stage 1 long block crate engines include: * Handpicked, remanufactured blocks * ATK cast iron cylinder heads * 76cc chambers * 165cc intake runners * 1.94 in./1.5 in. valves * Stamped steel 1.5 ratio rocker arms * OE crankshaft * OE 5.7 in. powder metal connecting rods * Hypereutectic flat-top pistons * Moly rings * Hydraulic flat tappet camshaft * 465 int./.488 exh. cam lift * 224 int./234 exh. cam duration at 0.50 * 9.1:1 compression * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube
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$3,099.99
Dart SHP Special High Performance LS Next Pro cast iron bare blocks continue the evolution of their LS Next platform with superior strength. With full skirt designs, priority oiling systems, and other excellent features, these SHP LS Next Pro blocks are the perfect upgrades for your factory LS blocks, as well as ideal starting points for drag racers, circle track competitors, off-roaders, and high performance marine enthusiasts. Dart SHP LS Next Pro cast iron bare blocks feature: * Superior strength 220 BHN cast iron * Steel 4-bolt main caps with upgraded ARP main studs * Lifter oil crossover with restrictor provision * 6-bolt per cylinder capability * 4.000 in. up to 4.185 in. bore * Factory oil filter provision * 8-counterweight machining * Full skirt design * Priority main oiling * Siamese cylinder bores * Thick decks ensure reliable head gasket seal
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$4,699.99
Chevrolet Performance developed the new SuperMatic 6L80-E 6-speed automatic transmissions with upgraded internal components, offering an exceptional torque rating of 650 lbs.-ft. That's a 45 percent increase over regular-production versions of this same transmission. A deep first gear enables strong launch performance, while the top gear supports balanced performance on the highway. They're for use with Chevrolet Performance LS and LSX crate engines in 2WD applications. SuperMatic 6L80-E transmissions features include: * 2,400 to 2,800 stall converter * Electro/hydraulic controls with clutch-to-clutch shifting * Output torque rating of 650 lbs.-ft. * Gear ratios: 4.02 (1st), 2.36 (2nd), 1.53 (3rd), 1.15 (4th), 0.85 (5th), 0.67 (6th) * Lightweight diecast aluminum case contributes to dry weight of approximately 195 lbs. * Uses DEXRON VI premium fluid * Truck-style production oil pan * Production vent tube assembly * Approximately 23.5 in. long * Controller and harness, with calibrations for street and track * Harness also includes paddle-shift connection, transmission bulkhead connector that supports aftermarket gear indicator displays, electronically controlled shifters, and more * Chevrolet Performance-specific design includes provisions for an aftermarket transmission cooler, including -6 AN fittings
Not Yet Reviewed
$5,182.26
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$5,569.07
Give your truck a little more punch with one of these ATK High Performance GM 350 Vortec 315 hp Stage 1 long block crate engines. These engines are built from the ground up to replace your old, tired mill with a more modern, efficient engine. ATK hand-builds and balances each one these engines to ensure that they are great-running, reliable engines that will get you back on the road. Engines include: * Handpicked, remanufactured blocks * Cast iron Vortec cylinder heads * OE crankshaft and connecting rods * Hypereutectic pistons * Hydraulic roller camshaft * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube
( 7 )
$2,988.99
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