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Performance & Replacement Transmission & Drivetrain Parts
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.
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Transmission Specialties Lock-Up Street/Strip Torque Converters
Transmission Specialties lock-up Street/Strip torque converters offer exceptional durability in all applications. Many feature a billet front cover, as well as furnaced- and Heli-brazed fins for added strength. No other lock-up converter offers this strength and durability at a similar price point. Select the Transmission Specialties lock-up Street/Strip torque converter best suited for your application. More product features, items, and specifications may include (model dependent): * New billet turbine splines * Computer balanced * Pressure leak tested * Three new Torrington bearings * XHD billet oversized lockup * XHD billet front cover
( 1 )
$449.99
Lakewood Inspection Covers
Normally sold in their bellhousing kit, Lakewood inspection covers are also available individually with hardware. They are made from black oxide finished steel and are designed for use with an LK4000 bellhousing on small and big block Chevrolet engines.
( 3 )
$56.99
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$71.29
Summit Racing™ Motor Mount Bolts
Whether you're dropping in a freshly rebuilt V8, or just replacing worn-out motor mounts, make premium-quality Summit Racing™ motor mount bolts your go-to choice. These hardware sets are available for a range of applications—from small and big block Chevys, to small block Ford Windsors. Each package contains rugged steel hex-head bolts with a protective finish for corrosion resistance, along with a set of flat washers. Install your engine with confidence; it all starts by securing the motor mounts to your engine block with extra-strong specialty bolts from Summit Racing™.
( 11 )
$8.99
Chevrolet Performance Flexplate Shims
These Chevrolet Performance flexplate shims are designed to achieve optimum spacing when you're installing a new flexplate on a Chevrolet crankshaft. Chevrolet Performance flexplate shims are manufactured from high-quality steel and come available for a variety of small and big block Chevrolet engines.
Not Yet Reviewed
$14.99
Allstar Performance Flexplates
Allstar Performance steel flexplates are available for small block and big block Chevy engines. They also offer SFI-approved models for those needing a replacement flexplate to handle the stress of high rpm. The thicker SFI-approved plates are gold iridite plated and have dual converter bolt patterns with ring gears welded on both sides. Whether you prefer stock or upgraded SFI styles, Allstar flexplates are quality replacements for your racer or street muscle car.
( 11 )
$48.99
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$84.99
TCI Forged Flexplates
Whether you need stock, stamped, or heavy-duty, TCI forged flexplates are your performance solution. TCI offers popular Chrysler, Ford, and Chevy applications. Their forged selection for Chrysler includes special counterbalanced flexplates for neutral balance torque converters in cast crank applications that came with a counterbalanced torque converter. For Ford applications, TCI offers OEM-style small block plates built to precise standards with extra-thick welds to retain starter ring gear, and they are precision-balanced. Their Chevy stamped flexplates are built thicker than stock from high-tensile strength materials with extra welding to help retain the starter ring gear, and to withstand the stress of high-rpm engines and high-stall converters. For high performance, buzzing around at high rpm requires the confidence of TCI forged flexplates.
( 271 )
$98.95
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$219.95
Pioneer Flywheels
Pioneer manual transmission flywheels are a high-quality replacement part designed to restore OEM levels of performance. Each flywheel is built to the original dimensions, precision-machined, and balanced to remove runout and vibrations. Get one step closer to successful completion of your repair/rebuild with the Pioneer flywheel recommended for your application.
( 107 )
$239.99
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$318.99
Chevrolet Performance Flywheels
Whether you have a big block or a small block, you can be sure that Chevrolet Performance has you covered. Chevrolet Performance has high-quality nodular iron and billet steel flywheels to fit your needs, no matter what flavor of V8 interests you.
( 27 )
$209.99
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$214.20
Summit Bucks
Eaton Detroit Truetrac Differentials
Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. They perform like a limited-slip differential under normal driving conditions, automatically transferring torque to the wheel with better traction when ground conditions warrant. These replacement units are available for dozens of axle applications.
( 506 )
$653.99
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$1,299.99
Summit Racing™ SFI-Approved Flexplates
Our Summit Racing™ SFI-approved flexplates are built for racing. They're thicker than stock, double-welded with a forged one-piece ring gear. Available in several internally and externally balanced applications. NOT FOR MARINE APPLICATIONS.
( 509 )
$76.99
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$79.99
Chevrolet Performance SuperMatic Torque Converters
Chevrolet Performance SuperMatic torque converters are tailored for performance. Designed for their crate engines and transmissions, these torque converters are built to match the power outputs of the engines and to help ensure optimal performance of your powertrain system. Your project is different than the next guys but Chevrolet Performance SuperMatic torque converters bring together your application for durable factory-engineered performance that will have you cruising in no time! Features include: * Steel billet front cover * Custom stator * Fully furnace-brazed pump and turbine * Heavy-duty lock-up clutch * Internal components static balanced * Fully vector balanced as an assembly
( 1 )
$1,144.98
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$1,147.71
Mantic Clutch USA 9000 Series Twin Disc Clutch Kits
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 )
$2,420.00
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$2,476.00
Summit Racing™ OE Replacement Flywheels
Summit Racing™ OE replacement flywheels offer a great fit and an economical price. They are manufactured from ductile iron and offer original fit and function. Replace your old flywheels with Summit Racing™ OE parts.
( 72 )
$96.99
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$141.99
Sachs Stock Replacement Flywheels
Replace your worn-out or malfunctioning flywheel with one of Sachs Stock Replacement flywheels. These quality components are built to OEM specifications to offer the same fit, form, and function as the factory part, which means a safer, more comfortable, and contemporary drive. All Sachs Stock Replacement flywheels are designed to provide superior performance and dependability to help restore your vehicle back to its proper operation. Choose the replacement flywheel designed to fit your application needs.
( 1 )
$95.99
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$156.99
Summit Racing™ Transmission Pans
You can get Summit Racing™ transmission pans in Steel or Aluminum and in plain or finned styles. They are available in Chrome, Polished, Black Powdercoated, Zinc or Copper finishes. We offer stock depth or deep pan designs and come with a drain plug.
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$97.99
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$100.99
TransGo Automatic Transmission Reprogramming Kits
TransGo automatic transmission reprogramming kits are designed with performance in mind. Most, but not all models contain additional features like Gear Command that allows you to hold manual low to any speed, and shift back to low at any speed. They are great for strip cars or 4x4 rock crawlers needing to select low and not have it upshift. Most TransGo automatic transmission reprogramming kits can be tuned for HD (Heavy Duty) use by following the recommendations in the kits.
( 40 )
$232.86
Banks Power Ram-Air Differential Covers
Banks Ram-Air differential cover are unlike any others. After testing covers with flat-backs and those with larger fluid capacities, it was apparent that those covers do not cool as well as advertised and suffer from poor fluid dynamics. As a result, flat-backs reduce fuel economy. Banks Ram-Air differential cover extends lubrication life and retains fuel economy! Features: * A380 aircraft aluminum diecast for exceptional strength and precise fit * 12-point chrome plated flanged mounting bolts * 24 external radiator fins offer 534 sq. in. of surface area to ensure optimal heat rejection * Ram-Air system directs cool high-velocity air through radiator fins, eliminating the dead zone * Designed with breakaway scoops * Magnetic fill plug with 20 degree angle for easy fill--simplifies oil changes * Sight-glass with contrast screen and Viton® O-ring seal * Recessed magnetic drain plug simplifies oil changes
( 36 )
$395.00
Chevrolet Performance Flexplate Dust Covers
These Chevrolet Performance flexplate dust covers are direct stock replacements providing protection from street grime and stones. They are manufactured from quality materials and install in the factory location with no modifications. The dust covers are available for different transmission models, so you can choose what's best for your specific transmission model.
( 36 )
$144.11
Pioneer SFI Certified Flexplates
Pioneer SFI certified flexplates are machined from high-strength 0.130 in. steel that exceeds factory specifications. They feature bolt patterns punched from OEM blueprints to ensure exact fitment and ring gears that are double-welded for maximum reliability and strength. All of the flexplates are fully inspected and use a dichromate finish to resist corrosion. If your application requires an SFI flexplate, order the Pioneer replacement recommended for your year, make, engine and transmission.
( 67 )
$85.99
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$140.99
GSP New CV Axle Assemblies
GSP new CV axle assemblies are engineered to provide OE fit, form, and function. Premium materials, coupled with precise machining and balancing, ensure smooth, vibration-free performance in all driving conditions. All axles are thoroughly inspected for quality and workmanship. Additional attributes of GSP new CV axle assemblies include: * Since boot failure is the main cause of CV axle failure, GSP axles use only premium-grade neoprene boots that ensure robust abrasion and extreme temperature resistance, preserving boot integrity * Assembled with a specially formulated, high-temperature moly grease that resists friction and wear, contributing to a lifetime of smooth, dependable performance
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$91.99
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$240.99
Summit Racing™ Flexplates
Our Summit Racing™ flexplates are a top-quality choice when replacing your stock unit. These flexplates are constructed from durable, high-strength steel and are ideal stock replacements. NOT FOR MARINE APPLICATIONS.
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$36.99
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$48.99
Chevrolet Performance Flexplates
These flexplates from Chevrolet Performance are designed to be direct replacements for your stock flexplate. They provide the same high-quality performance as your original and are available for a variety of applications.
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$253.12
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$396.99
ACDelco Gold Wheel Bearing and Hub Assemblies
ACDelco Gold wheel bearing and hub assemblies are the high-quality alternative to original equipment parts. These unitized wheel bearings contain dual ball or tapered roller bearing elements sealed with a lifetime lubrication. ACDelco Gold replacement parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. The assemblies are available in dozens of options for fitment on countless vehicles from the 1970s and up.
( 5 )
$203.99
Summit Racing™ Billet Steel Flywheels
Grab one of these race-ready Summit™ billet steel flywheels for the durability and performance that you demand at a great price! They are able to withstand the severe abuse of high-rpm racing in heavy drag cars and are SFI 1.1 approved. Most of our precision-balanced Summit Racing™ billet steel flywheels are drilled for both Borg & Beck and Long-style clutch assemblies.
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$263.99
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$314.99
