Availability
Looking for big LS engine power at an affordable price? Summit Racing™ remanufactured 5.3L LS long block crate engines are rated at 450 HP and 420 lbs.-ft. torque! This engine will give you the performance and drivability you have been searching for at a price you can afford. It can be a performance upgrade for 99-07 Chevy trucks, or an engine swap into your project vehicle. You will save time and money by leaving the machine-work and assembly to us. Just bolt on your accessories and drop it in. These engines are machined and assembled for us by the guys at ATK, and backed with a 2-year unlimited mile warranty for peace of mind. Technical specifications: * Horsepower: 450+ * Torque: 420+ * Block: Seasoned OE LM7/5.3L iron * Bore/stroke: 3.800-3.820 in. x 3.622 in. * Year range: 1999-2007 * Displacement: 323 C.I.D. * Crankshaft: OEM GM 3.622 in. stroke internally balanced 24-tooth reluctor wheel * Connecting Rods: OE GM forged powder metal 6.093 in. * Pistons: Hypereutectic flat top * Piston rings: Moly * Compression ratio: 10:1 compression * Camshaft: Summit Racing Pro LS Roller * Camshaft specifications: Lift- 550/550, Duration @.050- 222/232 * Camshaft bearings: Installed and clocked to OEM position * Cylinder heads: #799 or #243 OE aluminum 64cc 2.00 in./1.55 in. valves * Freeze plugs: Brass installed and sealed * Rocker arms: OE powdered metal 1.7 ratio * Oil Galley plugs: Installed and sealed
( 39 )
$3,849.99
On Sale
Holley Mid-Mount complete accessory systems achieve what no other accessory bracket systems do--eliminate the brackets! This pulls in all the accessories tighter than other accessory drives by bolting directly to other components for a clean, integrated form. They offer superb engine visibility to show off your horsepower, not your accessories. Holley Mid-Mount complete accessory systems are available in several versions and finishes to match your application. Order the kit designed to fit your engine.
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$2,149.95
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$4,449.95
On Sale
Holley Terminator X MAX engine management systems let you take control of your domestic V8 engine. They give you complete charge of your engine and self-learning fuel strategies, along with the proven, race-winning technology of Holley EFI—all at a budget-friendly price! Every MPFI Terminator X MAX features real-time fuel learn, high-impedance injector drivers, an integrated one-bar MAP sensor—and four programmable inputs and outputs, ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Also, Holley offers the X MAX systems with either or both drive-by-wire (DBW) throttle body control or transmission control. All kits come fully loaded with base maps for common domestic V8 engine combinations to get you out of the garage and onto the road or track fast. Order the model recommended for your vehicle application. Features include: * Holley EFI industry-leading, easy-to-use software suite allows full laptop access for advanced users * Real-time fuel map learn—takes the guesswork out of tuning your base fuel table * High-impedance injector drivers will safely power most standard injectors and Holley EFI injectors (will not control low-impedance injectors) * Bosch LSU 4.9 wideband relays AFR information to the ECU for accurate reading and precise tuning control * On-board one-bar MAP sensor is perfect for N/A or nitrous engine combos * MAP sensor vacuum hose adapters * 4 inputs: 12 V, ground, 5 V, and frequency * 4 outputs: Ground, PWM, and for accessories * Boost control: boost vs. time, boost vs. gear, boost vs. rpm, boost vs. speed, and boost safeties * Nitrous control: single channel of wet or dry, progressive or non-progressive, rich/lean safeties, and target closed loop AFR; adjustable through touch screen * Advanced tables can be used for any custom tables * On-board diagnostic LEDs allow you to identify any critical engine issues at a glance * The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDs must face up! * Plug-and-play compatible with more Holley EFI accessories * Available with or without a 3.5 in. touch screen LCD hand-held with easy-to-use calibration wizard; allows you to quickly build a base tune for most V8 engines, as well as tuning and gauge display functions
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$2,049.95
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$2,499.95
AFR 260cc LS3 Mongoose cylinder heads are 100 percent 5-axis, CNC-ported, and feature titanium retainers, A356 aluminum castings, and Pac Racing springs. These CARB certified heads require 4.000 in. or larger bore applications on up through 454 cu. in. engines operating at or below 7,000 rpm—and flow over 380 cfm at 0.700 in. lift and are designed primarily for street and strip applications. Other structural features include Air Flow Research's trademark 3/4 in. thick head deck, reinforced rocker stud bosses, and thick wall runners provide unparalleled durability. Use of AFR stud girdles and full roller rocker arms are required. When it comes to building power, start with these AFR 260cc LS3 Mongoose cylinder heads.
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$3,011.40
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$3,490.20
Tremec introduces the Magnum-F 6-speed manual transmissions for fourth-generation Camaros and Firebirds. Designed to replace T-56 transmissions in 1998-2002 GM F-body cars, the Magnum-F leverages Tremec's pervasive TR-6060/Magnum architecture in order to provide fourth-gen enthusiasts significantly improved performance and relief from a shrinking pool of quality T-56 replacement parts. Born in the vacuum created by the release of the original T-56 Magnum (now known simply as 'Magnum') back in 2009, the Magnum-F fills a longstanding void in the overall Magnum line with regard to shifter locations—addressing not only LS1-powered '98-'02 F-bodies, but several other applications that utilize a similar shifter position. Beneficiaries include third-generation F-bodies, LT1-powered fourth-gens, LS-swapped late models of all varieties, and sport compact applications such as A80 Supras, FD RX-7s, and more! Where the original Magnum shifter locations may prove too far forward, and the extended length Magnum XL's too far back, the Magnum-F's in-between position often proves to be just right. Inside, the Magnum-F benefits from the same durable componentry found in many of today's hardest hitting OEM muscle and sports cars. Over the T-56, the Magnum-F transmissions boast increased face-width on all gears, a robust combination of double and triple cone synchronizers, enhanced webbing in the main case, provisions for a cooler circuit, and more! Tremec also took the opportunity to upgrade the shifter to an isolator-type unit, like that found on its Magnum XL. The shifter reduces in-cabin noise and vibrations, while at the same time providing the precise and communicative shift feel that all Magnums are known for. And, like all Tremec aftermarket transmissions, the Magnum-F is made from 100 percent brand-new OEM-quality content. Models with different gear ratios are available. Additional notes: * Close Ratio version for high performance street and road racing * 700 lbs.-ft. of torque capacity * Reasonably light at 135 lbs. dry * Multiple shifter locations and dual speedo pickups for unmatched versatility * Choice of two different gear ratio sets with unique double overdrive ratios * Incredibly short, extremely low-effort shift throws, with crisp, precise engagement * Modern OE supercar technology for the ultimate pro-tourers, road-racers, and more
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$3,545.00
Summit Racing™ Pro LS 6.0L forged rotating assemblies provide industry-leading fit, finish, and durability at an affordable price. These kits are tested to over 1,200 hp in turbo applications. They're available in a wide range of fitment and performance options. Standard features and specs may include: * 4340 forged steel crank * Core hardened to optimum strength, tempered, and nitride hardened * Lightening rod journals, gun-drilled mains, and profiled counterweights for better engine acceleration * Maximum journal tolerances of +/- .0001 to ensure consistent bearing clearance * Straight-shot oiling for maximum oil film strength at the maximum load angle * 4340 forged H-beam connecting rods * Designed for 5,000 ft./min. average piston speed in street and drag applications * 7/16 ARP 2000 rod bolts with 200,000 psi tensile strength; dual ribbed caps for maximum strength * Added stroker clearance and balanced to within +/- 1 gram per end * Full-floating and precision-honed in the USA to +/- .0001 in. * 2618 forged aluminum pistons * Ultra-modern 2618 alloy forgings for boost and nitrous with maximum ring land thickness * Pressure-fed pin oiling with durable chromium steel wrist pins * Specially profiled and coated piston skirts for stroker applications with tight piston-to-wall clearance * Generous valve reliefs for extra piston-to-valve clearance accommodate cathedral and rectangle heads * Premium steel piston rings * Steel top rings designed for maximum life with boost and nitrous * File-fit rings for maximum ring seal, reduced friction, and tensions optimized for wet sump engines * Martensitic ductile Napier-hook second rings for strength and maximum oil control * Premium main and rod bearings * Clevite H-bearings are designed for high-rpm operation in racing applications * Tri-metal bearings designed with high bearing crush for maximum retention * Medium eccentricity shells with precision wall tolerance of +/- .00015 in.
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$2,539.87
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$2,828.87
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 RWD applications. SuperMatic 6L80-E transmissions feature: * 3,000 to 3,400 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
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$5,182.26
Chevrolet Performance Parts LS controller kits have everything that you need to properly tune your Chevrolet Performance Parts crate engine. Kits include: * ECU * Engine wiring harness * Mass airflow meter * Mass airflow meter mounting boss * Accelerator pedal assembly * Two oxygen sensors with mounting bosses * Detailed instruction sheet
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$2,167.43
Eagle Street and Strip rotating assemblies consist of name-brand quality components for a wide range of engines at an affordable price. These kits feature a crankshaft, pistons, piston rings, rod and main bearings, and connecting rods. Based on your application, balanced assemblies are also available. Order the model designed for fitment on your year/make vehicle and engine application.
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$2,731.99
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$2,777.99
Eddie Motorsports LS S-Drive serpentine pulley drive systems for Chevrolet LS engines are the latest advancement in engine accessory kits on the market. These drive system pulleys and brackets are CNC-machined from 6061 T-6 aluminum and include stainless steel fasteners, as well as other necessary accessories: water pumps, alternators, serpentine belts, A/C compressors, billet aluminum water outlet, and a SFI approved balancer. Change the efficiency of your engine with a single 6-rib serpentine belt to drive all of your accessories.
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$2,175.00
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$3,195.00
The kingpin of Tremec's high performance lineup, the T-56 Magnum double-overdrive 6-speed manual transmission, takes the very best from Tremec's current OEM technologies and pairs it with the most popular features of the TKO 5-speed. Known in its original equipment form as the 'TR-6060', the Magnum is an aftermarket version of the same transmission found in many of today's most celebrated factory super cars. Able to withstand a massive 700 lbs.-ft. of torque while providing unbelievably crisp shifts, no other manual transmission on the planet offers as much combined strength, versatility, and general ease-of-use as the T-56 Magnum. The units are available in a variety of gear ratios for different applications. Additional details: * The aftermarket's premier double overdrive 6-speed performance manual transmission * Reasonably light at 135 lbs. dry * Multiple shifter locations and dual speedo pickups for unmatched versatility * Incredibly short, extremely low-effort shift throws, with crisp, precise engagement * Modern OE supercar technology for the ultimate pro-tourers, road-racers, and more
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$3,545.00
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
These Wilwood TC6R big brake front kits feature everything you need for maximum stopping power. They use a TC6R billet aluminum brake caliper, which generates unmatched clamping efficiency through six thick-walled stainless steel pistons. Those are matched to an advanced formula high-friction compound for quick response and extended fade resistance. These Wilwood TC6R big brake front kits are available with your choice of standard 16 in. directional-vane GT rotors or the high performance 16 in. cross-drilled, slotted, zinc-washed SRP rotors. Each rotor is mated to high-strength, forged aluminum hats that are rib-reinforced to carry extreme loads and are black anodized to prevent oxidation. Get your truck or SUV stopped quickly with one of these Wilwood TC6R big brake front kits.
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$2,901.75
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$3,092.33
Summit Bucks
ACDelco GM Genuine Parts superchargers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Make the right choice for your GM vehicle; choose ACDelco GM Genuine Parts superchargers.
Not Yet Reviewed
$2,482.99
Summit Bucks
Summit Racing™ SPC Engine Blocks are aftermarket V8 Engine Blocks made for "Street, Performance, or Competition." These brand new clean sheet designed aftermarket blocks are cast in a modern state-of-the-art German foundry on brand new molds and machined in USA on modern high-speed machining centers that can hold the tightest of tolerances. Why start your engine build with a dirty, old, worn-out production block that needs hundreds or thousands of dollars of machine work--when you can start with a new heavy-duty casting full of high-performance features. We ship these blocks mostly finished but leave the cylinder bore .005" undersize, your machine shop will have to hone them for proper size. You can rest assured that you have a great foundation for your engine build. Check out the features below! Additional details: • Available Versions Include: GM Small Block, GM LS, GM Big Block (coming Soon,) Ford Windsor 5.0 and 351W • Cast in Germany at a Tier 1 OEM foundry • Made with class 35 Iron Alloy, Higher tensile strength and harder than competitors' class 30 • Machine-finished in USA on precision hi-speed machining centers- All dimensions are very accurate! • Priority main oiling systems & Siamese Cylinder bores • Blind head bolt holes • 4-bolt main caps, 180,00 PSI main bolts included
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$3,349.99
ATK High Performance Chevy LQ4 6.0L 460 hp long block crate engines lay down impressive power that can be run with factory fuel injection or retrofitted with a carburetor. They're hand-built, balanced, and blueprinted using top-quality parts. Don't waste time trying to salvage a high-mileage short block when you can get a fresh mill that's ready for your choice of components to make it your own. ATK Chevy LQ4 6.0L 460 hp long block crate engines include: * Handpicked and seasoned 6-bolt main block * Aligned and honed main bores * OE steel crankshaft * 3.622 in. stroke * OE connecting rods * Hypereutectic dish top pistons * Aluminum cylinder heads * Hydraulic roller camshaft * Timing chain and gear set * 1.7:1 ratio rocker arms * 24-tooth reluctor
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$5,049.99
Cold Case offers radiator support module kits for a variety of applications, including 1960s era Camaro LS engine swaps. Each module comes fully assembled and ready to bolt into your vehicle. They consist of an aluminum radiator support, big 1.25 in. tube dual-core crossflow radiator, two 3600 cfm fans/shroud combination, billet cap, and billet overflow tank. These units are very popular with high-tech, high horsepower builds in which maximum cooling is a must. Available in either standard Chevrolet outlet configurations or LS outlet configurations, they're 100 percent TIG-welded and ready to paint or polish. Radiator support module features: * Extra forward design will clear big block and LS front drives * Brushed aluminum finish * 2 row design with 1.25" tubes * Includes dual 14 in. 3600 cfm fans and shroud combination setup * Easy to install even in finished cars * Optional AC condenser and electronic fan controller upgrades available
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$2,299.54
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$2,671.54
Wilwood AERO6 Big Brake front brake kits enhance the performance and looks of your extreme vehicles. Show cars and dual-purpose street and track cars—as well as trucks for towing and off-road SUVs—will benefit from these kits. Wilwood Big Brake kits feature AERO6 forged calipers that deliver heavy-duty stopping power in your choice of powdercoated red or black. Premium-grade rotors, high performance pads, and precision-machined hats complete the list of these matched component kits. Order the model designed for fitment on your vehicle, then bolt on the optimum performance and looks of Wilwood AERO6 Big Brake kits.
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$2,595.99
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$3,181.80
American Powertrain ProFit Tremec TKX manual transmissions and installation kits put the power to the pavement with unmatched durability and versatility. Tremec has normally sourced their aftermarket transmissions from the OE side, such as the Magnum T-56 and the T-5, but this new design is made from the ground up as a strictly aftermarket transmission. Designed to fit classic muscle cars and customs, the TKX has a tighter, more streamlined case, and features 600 lbs.-ft. of torque capacity and are capable of engines speeds of 8,000 rpm with shifts at 7,500 rpm. The compact design provides clearance in most transmission tunnels without floor modifications, while case strength has increased from previous models with the new 3-piece aluminum housing and gaskets at all flanges simplifies installation and eliminates fluid leaks. Additional features include: * Designed with your specific vehicle application in mind * Available with multiple gear ratio configurations for compatibility for multiple applications with three shifter locations * Multi-cone synchronizers and synchronizer rings are made of sintered bronze and carbon for superior shifts * All gears are supported by caged needle bearings to reduce end play * Gears and shafts are made from ASTM 4615 grade steel and provide increased torque carrying capacity * TKX manual transmissions have 31-spline output shafts for added strength, built-in reverse light switches, and cruise control safety switches * The TKX also has separate GM and Ford case patterns and input configurations—with integrated GM and Ford transmission mount patterns * Installation kits include a driveshaft slip yoke made from cryogenically hardened steel, a polyurethane transmission mount, a steel roller pilot bearing, and a reverse light wiring harness
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$4,095.00
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$4,559.95
Vortech supercharger systems for GM LS-Swaps operate at an even higher level of sophistication than any original equipment system. They're currently one of the most popular engine swap power plants in the world. In every application, the LS systems have established themselves to be fantastic platforms to swap into just about anything. They operate at an even higher level of sophistication, with a boost curve generated by Vortech's superchargers that are ideally matched with today's highly evolved engines and give you power when you need it. The supercharger and the technologically advanced subsystems fully integrate into the vehicle's existing platform, yielding a smooth continuity of power and performance.
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$3,915.99
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$5,232.99
Eddie Motorsports Raven Series LS S-Drive serpentine pulley drive systems for Chevrolet LS engines are the latest advancement in engine accessory kits on the market. These drive system pulleys and brackets are CNC-machined from 6061 T-6 aluminum and include stainless steel fasteners, as well as other necessary accessories: water pumps, alternators, serpentine belts, A/C compressors, billet aluminum water outlet, and a SFI approved balancer. Change the efficiency of your engine with a single 6-rib serpentine belt to drive all of your accessories.
Not Yet Reviewed
$2,425.00
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$3,325.00
These Chevrolet Performance Parts LS 376/525 hp engine controller kits are designed for controlling your GM LS 525 hp engine. They include a new controller, engine harness, mass airflow meter, mass airflow meter mounting boss, accelerator pedal assembly, two oxygen sensors, two oxygen sensor mounting bosses, and an instruction manual.
( 1 )
$2,225.39
Dart LS Next cast iron bare blocks integrate the robust heritage of a traditional Chevy small block with the performance potential of the late model LS engine architecture. The blocks are designed to rectify some of the former LS's more noticeable shortcomings on the bottom end—while still supporting high-flow and efficient cylinder heads developed for Gen III and IV platforms. They're available in multiple engine block styles, including stock/OEM standard deck and aftermarket. Dart LS Next blocks are back and better than ever! Highlight features of the LS Next cast iron bare blocks include: * Cast with premium cast iron alloy * Conventional style 4-bolt steel main caps * Full main webbing for maximum bottom-end strength * Extended cylinder barrels at the bottom to provide greater piston support for all combinations * Extra-thick Siamese cylinder bores * Blind head bolt holes don't go through into the water jacket * Provision for oil restrictors in the lifter valley * Revised low-restriction priority main oiling system * Pro-Stock/Pro-Mod big block style stepped main oil galley * External oil filter (must be used with stock or aftermarket oil pumps) * Dual starter mounts * Expanded water jacket on #1 cylinder for additional cooling capacity * LSX-style lifter bosses and dog bone provision are provided
Not Yet Reviewed
$3,999.99
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$4,499.99
The best just got better! Injector Dynamics ID1750x fuel injectors are a built-to-spec motorsport injector, offering optimization of critical operating parameters important to you, the motorsport tuner. Built on the evolution of the ID1700 and X Series, these fuel injectors are a drastic improvement over previous series from Injector Dynamics. Compared to the 1700, the 1750x offers: higher dynamic flow rate with no increase in minimum fuel mass, better cylinder to cylinder balance at low pulse widths, and improved pressure sensitivity—all while retaining the same "compatible with everything but dirt" corrosion resistance that made the ID1700 famous. Plus, a unique magnetic circuit, resulting from a lengthy development program, makes the ID1750x immune to voltage and pressure sensitivity problems that plague other high impedance high flow injectors. Order the set of fuel injectors recommended for your vehicle. Key features and benefits include: * Compact body design allows fitment in a variety of applications * Higher dynamic flow rate with no decrease in minimum fuel mass * Better cylinder to cylinder balance at low pulse widths * Improved pressure sensitivity * Corrosion resistance makes these fuel injectors compatible with Methanol/Ethanol/MTBE/Nitromethane and all known Hydrocarbon fuels * Unique magnetic circuit makes the ID1750x immune to voltage and pressure sensitivity problems that plague other high impedance high flow injectors * Narrow spray pattern—minimal wall wetting promotes quick response and smooth running * Does not require extended linearity at low flow rates
Not Yet Reviewed
$2,419.20
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$2,436.00
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