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.

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Sonnax Flanged Yokes

Sonnax flanged yokes will complete your driveshaft connection. These high performance 6061-T6 aluminum parts are precision-machined to be stronger than the original cast steel yokes, as well as being lighter in weight. Sonnax builds these yokes for exceptional balance and superior craftsmanship, for a show-quality driveline.

4.96 out of 5 stars ( 27 )

$198.45

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$313.04

Spidertrax Off-Road Spider 9 Axle Housings

Spidertrax Off-Road Spider 9 axle housings step up the level of performance and looks of today's off-road machines. Building on the platform of the company's top placing housings, the latest Spider 9 housing is stronger (ARP studs, accepts 9 in. and 10 in. gears), more versatile (68 in. OAL, works with standard and mid-engine setups), and just downright sexier (TIG-welded on outside, machined face). If you're looking for many of the 9 in. housing benefits, at a fraction of the price, Spider 9 housings are the perfect solution. Every Spider 9 housing comes with third member ARP studs and Nylocks. Fill bungs and caps are sold separately. Additional details: * Strong: Every Spider 9 housing is constructed with a one-piece 1/4 in. thick shell, a 3/8 in. thick face plate, and 3 1/2 in. x 1/4 in. wall axle tubes. Spidertrax also redesigned the faceplate to allow the use of both 9 in. and 10 in. gears. * Secure: Best to keep those 9 in. and 10 in. gears where they belong, inside your Spider 9 housing. That's why Spidertrax redesigned the shell to work with ARP studs. No matter how many miles, your third member will always stay tight. * Complete: All Spider 9 housings are precision-machined for genuine ARP third member studs, included with every order. Plus, at 68 in. in length, these off-the-shelf housings work for almost any off-road application. One housing, everything you need.

Not Yet Reviewed

$1,099.00

Sonnax Weld-On Driveshaft Yokes

Sonnax weld-on driveshaft yokes help take your vehicle to the next level of performance, whether it is a street car or street rod, for the drag strip or dirt oval track, or somewhere in between. Forged from 6061 T-6 aluminum and precision-machined, Sonnax yokes are stronger than OE cast steel yokes, offer significant weight savings over steel components, and feature unrivaled concentricity for exceptional balance and minimal runout. They are designed with extra-thick pilot weld walls for consistent welds. Select the Sonnax weld-on yoke made for your driveshaft diameter.

Not Yet Reviewed

$83.12

Sonnax Adapter Flange Yokes

Sonnax adapter flange yokes are an ideal upgrade for modified performance vehicles, allowing an easy conversion from a 2-piece driveline to a one-piece, U-joint-style driveline. The yokes will dramatically increase strength and durability while reducing future maintenance costs. Benefits: * Machined 6061 T-6 aluminum construction * Eliminates the troublesome giubo and/or CV joint(s) * Great for drivetrain swaps and retrofits in custom applications, such as street rods and hot rods

Not Yet Reviewed

$324.09

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$350.81

EK Chain Standard Kart Chains

EK Chain standard kart chains combine the qualities of high-tensile strength, low wear and impact-resistance, and anti-kinking performance, as well as fatigue toughness to produce one of the best kart racing chain available. These drive chains are available in different sizes and series and include three Master links. Order the model designed for your application needs.

Not Yet Reviewed

$69.99

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