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Tilton Engineering relied upon their 50 years of world-renowned experience in racing clutches to develop the ST-246 twin disc clutch kits for the high-performance street market. These aren't just another run-of-the-mill replacement—they're a true performance twin disc clutch and are available with either sprung-hub organic or solid-hub cerametallic discs, depending on your application. Where the upper limits of OEM-design ends, Tilton ST-246 twin disc clutch kits begin! Order the model recommended for your vehicle application. Features, items, and specs may include: * Precision-machined aluminum clutch cover for high-strength, stiffness, and better balance than OE-type stamped steel covers * High-mass main pressure plate and floater plate resist warpage and offer high-heat capacity * Heavy-duty straps attach plates to minimize noise and provide clean clutch release * High-strength/durability billet chromoly steel flywheel with precision register for optimal balance * Compatible with most OEM release bearings or Tilton's hydraulic release bearings * Sprung-hub organic option: less vibration/noise, smoother engagement, up to 850 lbs.-ft. of torque * Solid-hub cerametallic option: higher strength, more precise engagement, up to 1,250 lbs.-ft. of torque
( 9 )
$2,006.00
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
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
( 2 )
$5,182.26
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.
( 13 )
$2,799.00
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$2,999.00
$2,659.05
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$2,849.05
On Sale
Silver Sport EasyFit transmission kits are designed to be the perfect start to your TREMEC TKX installation. The kits are tailored with a vehicle-specific shifter position and components to make your installation easy and less costly. Features and specs: * STX Shifter--short throw shifter (depending on kit) * Transmission mount, reverse light harness, pilot bushing, and required hardware * 5-speed pattern shifter ball or 5-speed shift pattern console plate (depending on kit) * EDP coated, steel crossmember (depending on kit) * Gear ratios--2.87, 1.89, 1.28, 1.00, 0.68, 2.56R * 600 lb.-ft. torque rating * 26-spline count input shaft * Quality-tested with a 12-month factory warranty
( 4 )
$4,295.00
$4,080.25
Tremec offers a variety of TKX 5-speed manual transmission for select GM and Ford applications. Each model features different gear ratios. Order the transmission best suited for your vehicle. General product details: * Bolts up to a standard GM Muncie bellhousing or use a Quicktime bellhousing * Input Shaft: 26-Spline (requires 26-spline clutch disk) * Output Shaft: 31 Spline * The TKX has 600 lbs.-ft. of torque capacity and is capable of engines speeds of 8,000 rpm with shifts at 7,500 rpm. It is available in multiple gear ratio configurations. * Designed for multiple applications with three shifter locations. Compact, end-loaded design provides clearance in most transmission tunnels without floor * Increased case strength with 3-piece aluminum housing provides outstanding structural stiffness (includes main case, intermediate plate and rear extension). Gaskets at all flanges simplifies installation and eliminates fluid * Superior shift-ability through use of multi-cone synchronizers and hybrid synchronizer rings made of sintered bronze and carbon * Noise, vibration and harshness (NVH) minimized with gear layout to best control stress All gears supported by caged needle bearings to reduce end play on the gears. * All gears and shafts made from special grade steel (ASTM 4615), providing increased torque carrying * Equipped with a high performance short-throw billet aluminum shifter that isolates road noise, while providing clean, crisp * Robust design with internal 3-rail shift system and steel shift * Wide gear width increases gear life and torque * Built-in reverse light switch and cruise control safety
( 44 )
$2,999.99
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
( 1 )
$4,095.00
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$4,559.95
On Sale
FTI Performance Pro Powerglide Level 5 transmissions are an unbreakable unit in an SFI-approved case. Equipped with the FTI creatively designed spiral springs and valve body, these units don't creep when the brake is set—a must in today's racing world. With in-house machining, these trannies are hand-assembled by one builder, so each clearance is set to exacting tolerances. The transmissions house the greatest advances in powerglide racing technology, and they're designed to withstand the rigors of today's high performance engines in an extremely demanding environment. Other features include: * 1500 advertised horsepower rating * Protree transbrake 250 lbs. * Lightened steel clutch hub * 1.80 straight cut planetary * Vasco input shaft * 8-clutch drum * Red race clutches * High-flow pump * 4340 output shaft
( 3 )
$4,899.00
$4,654.05
Summit Bucks
GearStar GM high performance transmissions are built to the horsepower, torque, and rear gear ratio specs of the engine that it will be matched to. Unlike other high performance transmissions builders, GearStar individual transmissions are hand-built by one technician from start to finish. Before a transmission and torque converter leaves their facility, they are dyno tested for the equivalent of 100 miles, ensuring proper working condition. GearStar GM 4L65E Level 3 transmissions with torque converter are built with the highest quality parts available. "Heart-pounding performance with industry leading experience"; select the proper transmission for your build and "strap yourself in to experience uncompromising performance" with the "legendary road-proven craftsmanship" of GearStar Performance transmissions. Features and specs: * 500 hp * Up to 500 lb.-ft. of torque * Stall: 2,600 to 3,200 * High performance 12 in. furnace-brazed converter -- Flanged hub and carbon fiber clutch * Master overhaul kit with Alto hardened steels * Raybestos Stage 1 frictions * Filter * 29-element dual cage sprag * High-capacity upgraded pump assembly * New hardened pump rings * New 13-vane pump rotor * New vanes * New stator * .500 boost valve * Pressure regulator valve * Updated boost valve * TransGo reprogramming shift kit with Shift Command * Bushing kit * New thrust washers * Complete Torrington bearing kit * Heavy-duty hardened sun shell * Heavy-duty expanded capacity input drum with reinforcing sleeve * High-rev spring kit * Corvette servo * Carbon fiber wide 2-4 band * New valve body spacer plate * Fill tube and stick * New shift solenoids * New EPC solenoid * New PWM solenoid * New 3/2 solenoid * New manifold pressure switch * New internal wiring harness with new TCC solenoid * New electronic speed sensor * Transmission mount * New OE steel transmission pan
Not Yet Reviewed
$4,945.00
Summit Bucks
ACDelco GM Genuine Parts differential carrier assemblies are the recommended replacements for your Chevrolet, Buick, GMC, or Cadillac vehicle. They are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These are the true OE parts installed during the production of your GM vehicle, so you can trust the fit and performance will match that of the original carrier assembly.
( 3 )
$2,437.99
On Sale
Delivering big power for racers, FTI Performance Pro Powerglide Level 5.5 transmissions are an unbreakable unit. Equipped with the FTI creatively designed spiral springs and valve body, these units don't creep when the brake is set—a must in today's racing world. With in-house machining, the transmissions are hand-assembled by one builder, and every clearance is set to exacting tolerances. FTI automatic transmissions house the greatest advances in Powerglide racing technology, and are designed to withstand the rigors of today's high performance engines in an extremely demanding environment. Other features include: * 2200 advertised horsepower rating * Protree transbrake 265 lbs. * Lightened steel clutch hub * 1.80 or 1.69 straight cut planetary * Vasco input shaft * 10-clutch drum * Pro mod wideband * High-flow pump * 300M output shaft
Not Yet Reviewed
$5,349.00
$5,081.55
Stock clutches are made for stock horsepower. Mantic Clutch USA 9000 Series twin disc clutch kits are direct replacement upgrades that can handle 1,010 lb.-ft. of torque capacity at the crank and roughly up to 820 to 850 lb.-ft. at the wheels (capacity will vary with use and type of power adder being utilized). Engineered for serious performance builds, Mantic 9000 clutch kits are the proven answer to transfer all power to the ground and driving your vehicle with a Mantic Twin is easy, pedal effort remains relatively low, with approximately 12 to 15 percent increase over the OE clutch pedal feel. Available for many applications, Mantic Clutch 9000 Series twin disc clutch kits with their ceremetallic friction material and all billet construction make them the best for severe duty yet street friendly. Features and benefits: * SFI approved 1.1 * All billet construction * No Flex at high rpms * High-torque capacity * Lightened flywheel revs quicker compared to heavier OE flywheels * Completely rebuildable—modular construction makes service easy * 9 in. twin disc clutches reduce Moment of Inertia (MOI) for quicker more precise shifts * Ceremetalic friction material offers more heat resistance * OE hydraulic release bearing * All necessary hardware * Cover and components machined from billet stock adding strength and durability
( 2 )
$2,014.00
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$2,797.00
TCI Super StreetFighter transmission packages are the perfect solution for street cruisers who want excellent street performance and long-lasting durability. Intended for normally aspirated vehicles powered by engines producing between 725 and 1,025+ hp, depending on the application, the TCI Super StreetFighter packages feature the many of the same benefits as StreetFighter transmission packages with certain internal upgrades, including higher performance friction clutches and bands, as well as heavy-duty hard parts. The Super StreetFighter transmission offers both manual and automatic shift options to give you the power and shifts you want for the strip, or easy driving for the street. The packages include the torque converter with furnace-brazed fins, needle bearings, hardened pre-ground pump hubs, Max Shift street performance fluid, a dipstick, and transmission cooler. With a TCI Super StreetFighter transmission package installed, you'll be ready to take on the streets—and beyond!
( 2 )
$5,119.95
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$5,182.95
On Sale
FTI Performance 700R4 Level 3 transmission packages provide excellent durability and hook-up for street performance. They include a tough billet lock-up torque converter, an adjustable TV cable, a Holley or Edelbrock carb adapter (depending on the kit), and a long filler tube and stick—providing up to 600 hp capabilities. Order the model recommended for your vehicle make, engine, and transmission application.
( 5 )
$4,799.00
$4,559.05
On Sale
Racing is for pros--FTI Pro Series Powerglides! Their Level 4 units, like all the Pro Series transmissions, house the greatest advances in racing technology. They are fitted with FTI engineered valve bodies and spiral springs--they will not creep when the brake is set. And they are in-house CNC-machined and hand assembled to ensure every clearance is set to exacting tolerances. Level 4 Powerglides are designed and built for serious racers, that not only need value, but demand dependable, consistent performance while handling the rigors of their high performance engine--in any environment. Every transmission is dyno-tested to confirm they are race-ready and bulletproof. No wonder they are the choice of champions, shouldn't they be yours, as well? FTI Performance Pro Powerglide Level 4 transmissions feature: * 1.80 straight-cut gear planetary * 300m hardened input shaft * Steel clutch hub * 6-clutch drum * Aftermarket SFI-approved case * High-flow pump * Deep aluminum pan * Pro Tree transbrake * Red race clutches
( 1 )
$4,699.00
$4,464.05
Designed for the rigors of a road course, Richmond Gear T-10 Plus 4-speed transmissions are built by American craftsmen. Using the latest CNC machining and in-house treatment, these T-10s are available in a multiple range of ratios. They combine race-proven synchro assemblies and NASCAR-proven technology to deliver the smoothness and strength needed for the demands of a road course. Engineered with a pro-quality approach, the Richmond Gear T-10 Plus transmissions deliver the quality and performance you expect!
( 6 )
$2,994.99
On Sale
Extreme mud racers need incredible parts—like an FTI Performance Mud Series Powerglide Level 5.5 transmission. These wicked units are capable of handling up to 2,200 hp, making them ideal for blowers or multi-stage nitrous. They start life with SFI-certified aftermarket cases, and then add all-new internal parts, including a billet aluminum valve body, a 10-clutch drum, and a 1.80 or 1.69 straight-cut gear planetary. VASCO ring-less input and 300M output shafts scream strength, while a deep aluminum pan helps keep parts cool. Hand-built to extreme tolerances, FTI Mud Series Powerglide Level 5.5 transmissions are available in one- or two-gear models, standard or shorty length. Order the model recommended for your vehicle make and engine application.
Not Yet Reviewed
$5,349.00
$5,081.55
On Sale
Blowing a transmission is never good—and doing so in the middle of a mud pit can lead to many other issues. FTI Performance Mud Series Powerglide Level 5 transmissions are rated up to 1,500 hp and designed for extreme conditions. They start life with SFI-certified aftermarket cases, and then add all-new internal parts, a billet aluminum valve body, 8-clutch drum, and a straight-cut planetary. A deep aluminum pan allows for extra fluid and better cooling of the Mud Series units, while the non-creeping trans-brake keeps your vehicle in place. VASCO material input and 4340 output shafts are tough enough to keep the systems moving. FTI Mud Series Powerglide Level 5 transmissions are available in one- or two-gear models, standard or shorty length. Order the model recommended for your vehicle make and engine application.
( 1 )
$4,899.00
$4,654.05
Chevrolet Performance transmission installation kits connect your engine to your transmission. They are available for several applications and each includes flexplate, covers, fasteners, and instruction sheet. Install your transmission with Chevrolet kits.
Not Yet Reviewed
$3,916.25
On Sale
Bracket racers live and die by consistency. FTI Performance Bracket Series Powerglide Level 4 transmissions are durable, lightweight, and efficient automatic transmissions. They're engineered with an aftermarket SFI-approved case and spiral springs that don't creep when the brake is set—a must in today's racing world. Every tranny is machined in-house and hand-assembled by one builder to ensure that every clearance is set to precise tolerances. These transmissions house the greatest advances in racing technology. Other features include: * 1100 hp * Bracket tree transbrake * Steel clutch hub * 1.80 straight cut planetary * 300M input shaft * 6-clutch drum * Red race clutches * High-flow pump * Deep aluminum pan
Not Yet Reviewed
$4,699.00
$4,464.05
On Sale
Designed to work with up to 2,200 hp, FTI Performance Bracket Series Powerglide Level 5.5 transmissions are ideal for blowers or nitrous units commonly used in today's race cars. Their SFI-certified cases are filled with all-new internal parts, including a billet aluminum valve body, a 10-clutch drum, and a 1.80 or 1.69 planetary. These heavy-duty wonders include a VASCO ER100 material ring-less input shaft, a 300M output shaft, Red race clutches, and a deep aluminum pan. FTI Performance Bracket Series Powerglide Level 5.5 transmissions are professionally assembled and ready for race day. They're available in standard length and shorty versions; order the model recommended for your vehicle make and engine application.
Not Yet Reviewed
$5,349.00
$5,081.55
On Sale
Racing is for pros--FTI Pro Series Powerglides! Their Level 3 units, like all the Pro Series transmissions, house the greatest advances in racing technology. They are fitted with FTI engineered valve bodies and spiral springs--they will not creep when the brake is set. And they are in-house CNC-machined and hand assembled to ensure every clearance is set to exacting tolerances. Level 3 Powerglides are designed and built for racers on a budget that need an unbreakable unit that can handle the rigors of their high performance engine in any extreme environment. Every transmission is dyno-tested to confirm they are race-ready and bulletproof. No wonder they are the choice of champions, shouldn't they be yours, as well? FTI Performance Pro Powerglide Level 3 transmissions feature: * 1.80 straight-cut gear planetary * 300m input shaft * Lightened steel clutch hub * 6-clutch drum * Race-prepped stock case * High-flow pump * Deep aluminum pan * Pro Tree transbrake * Billet dual ring servo * 4340 output shaft * 2-piece shift lever
( 4 )
$2,899.00
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$3,499.00
$2,754.05
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$3,324.05
On Sale
If you've ever driven in mud or seen races, then you can understand the need for FTI Performance Mud Series Powerglide Level 3 transmissions. These strong units are rated to handle up to 1,000 hp, keeping you on the surface of the pit instead of in its depths. They use a stock case filled with all-new internals, including a billet aluminum valve body, a 6-clutch drum, and a straight-cut planetary. With a 300M high-flow input shaft, a 4340 output shaft, and a non-creeping trans-brake, FTI Mud Series Powerglide Level 3 transmissions are ready for battle. Order the model recommended for your vehicle make and engine application.
Not Yet Reviewed
$2,899.00
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$3,499.00
$2,754.05
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$3,324.05
Mantic Clutch USA offers 9000 Series Quad Disc Clutch kits for a variety of vehicles, such as Corvette, Viper, and Challenger. These ultimate combos include everything you need to replace your worn-out clutch, including a matched lightweight flywheel. They provide 4x the durability of a single-disc clutch kit, with more surface area for increased wear properties, heat capacity, and long life. Quad Disc clutches are engineered for seriously big horsepower performance builds—the proven answer to transfer all power to the ground, whether you're cruising the streets or conquering the track. Mantic kits are perfect for any supercharger, nitrous, N/A, or turbo car that needs a durable rebuildable clutch. Order the model recommended for your vehicle. Additional details: * SFI Approved 1.1 * All-billet construction * No flex at high RPM * Light pedal feel * High torque capacity * All-in-one complete kit * Lightened matched flywheel * Completely rebuildable * 2,000 lbs.-ft. torque capacity at the crank * 1,700 lbs.-ft. torque capacity at the wheels * NOTE: Capacity will vary with use and type of power adder being utilized.
Not Yet Reviewed
$4,835.00
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