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Transmissions
Showing In Stock Items. Show All 598 Items.
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.
( 507 )
$51.99
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$92.99
Summit Racing™ Speedometer Gear Kits
Summit Racing™ speedometer gear kits are designed to recalibrate the gauge back to normal after changing rear axle ratios or tire diameters from stock. We give you a new "bullet" and a nice assortment of drive and driven gears to accommodate most street gear ratios and tire sizes. All you need to know are the tire diameter and rear gear ratio--and you can dial in the speedometer (and try to avoid those unwanted speed violations). Select the kit that's compatible with your transmission application.
( 22 )
$68.99
Summit Racing™ Automatic Transmission Servo Kits
Summit Racing™ Corvette-style servo piston kits allow you to swap out your OEM servo on your 700R4 or 4L60E/4L65E automatic transmission and improve shift quality and firmness. They have a larger piston area which increases band-apply pressure and holding power. These kits are drop-in upgrades and will really firm up the 1-2 shift. Includes both pistons and all necessary O-rings.
( 18 )
$77.99
Wilwood Compact Remote Flange Mount Master Cylinders
Wilwood compact remote flange-mount master cylinders are precision-machined from high-strength aluminum. They're designed for limited space applications requiring the output capacity of a full-size master cylinder. These units can be mounted virtually anywhere for convenient service access. A standard mounting flange provides easy installation in any vehicle.
( 74 )
$96.95
TCI Filler Tubes and Dipsticks
TCI introduces a fresh line of quality filler tubes. Applications for the most popular Ford, GM, and Chrysler transmissions are available. Most of the dipsticks feature a locking stick that satisfies sanctioning bodies' racing rules. The rubber boot seal is a vast improvement over the small O-ring typically used on older OEM tube designs.
( 188 )
$58.95
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$95.95
Summit Racing™ Bellhousing Separator Plates
Summit Racing™ bellhousing separator plates are designed for Ford small block engines. These plates are precision-cut from aluminum or steel for durability and also feature special ventilation holes for improved air circulation. They provide the correct fit in small blocks to locate the engine components in just the right place. Summit Racing™ bellhousing separator plates are engineered to work with automatic transmissions, and fit both 157-tooth and 164-tooth flexplates.
( 86 )
$52.99
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$62.99
Clearance
ATP Flexplates
ATP offers replacement flexplates in a variety of sizes, shapes, and configurations. The steel plates are manufactured to exacting tolerance for precise fit. Order the model recommended for your year/make, engine, and transmission application.
( 201 )
$50.99
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$97.99
Summit Racing™ LS Flexplate Spacers
Summit Racing™ LS flexplate spacers are designed to achieve proper spacing when you're installing an older GM automatic transmission to a LS engine. These spacer and bolt kits are manufactured from high-quality steel and correct the crank to transmission spacing differences between LS and early Chevrolet small block engines.
( 27 )
$61.99
Wilwood Slave Cylinders
Ideal for drag racing, Circle Track, Pro Street, or off-road, these slave cylinders from Wilwood feature a longer-than-normal stroke to ensure full clutch release. Made from billet aluminum for high strength, and plated with a tough anti-corrosion finish, the cylinders are pull-types and have a stainless steel pushrod.
( 22 )
$93.95
ACDelco GM Genuine Parts Flexplates
ACDelco GM Genuine Parts flexplates are designed, engineered, and tested to rigorous standards and backed by General Motors. They're true OE parts that will replace your originals with the same fit and performance, and are updated to integrate new materials and technologies. Order the flexplate model recommended for your vehicle.
( 8 )
$70.99
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$95.99
Summit Bucks
Sonnax Automatic Transmission Case Bushings
Sonnax automatic transmission case bushings are made to locate the carrier output shaft assembly. These bushings are a direct OE replacement. Sonnax automatic transmission case bushings are made from high-quality materials and is a required part in any high-quality rebuild.
( 14 )
$65.55
Summit Bucks
Sonnax Primary and Secondary Pressure Sensors
No one knows transmissions like Sonnax, which is why their primary and secondary pressure sensors work exactly like your OEM parts. Gearbox pressure sensors determine the hydraulic oil pressure in various applications and help to specify the shifting pressure more accurately. This type of sensor may fail to function under hostile conditions or simply wear over time. When that happens, help keep your drivetrain running optimally with the Sonnax primary and secondary pressure sensors designed for your application.
( 2 )
$93.90
Summit Racing™ Aluminum Transmission Pans
Cast from 356 aluminum, our Summit Racing™ transmission pans are stock capacity and utilize cooling fins for better heat dissipation. These pans come complete with mounting bolts, a drain plug, and gasket. Upgrade your transmission with confidence using top quality parts from Summit Racing, where form meets function for unparalleled performance and reliability.
( 147 )
$96.99
Summit Racing™ 4L60E Sun Shells
Summit Racing™ 4L60E sun shells or sun gear reaction shells are built to offer the strength and durability you need to keep your transmission operating reliably. These sun shells are made of heavy gauge steel and feature heat-treated spine collars to significantly reduce the chance of premature failure and provide the service life you expect. Recommended for stock and performance rebuilds due the the high failure rate of the factory version. Works with both plastic washer and bearings.
( 2 )
$99.99
Summit Bucks
Sonnax Super-Hold Servo Kits
Sonnax Super-Hold servo kits offer increased apply area over the OEM servo for more holding force between shifts. They are manufactured from anodized aluminum and include mounting seals and hardware for your specific transmission model. Their improved seal design will conserve pump volume.
( 25 )
$97.36
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.
( 316 )
$55.77
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$98.99
ACDelco Gold Automatic Transmission Fluid Filters
ACDelco Gold automatic transmission fluid filters can help to ensure the reliability and performance of your automatic transmission. These filters trap impurities that may be present in the fluid before they get pumped through to the moving components of your transmission, thus avoiding damage. On-time maintenance can extend your transmission's life and keep it operating efficiently. Perform service with ACDelco Gold automatic transmission fluid filters.
( 53 )
$58.99
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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$96.99
Wilwood GS Compact Master Cylinders
Wilwood GS compact master cylinders have a re-buildable design featuring high-pressure diecast aluminum bodies with a protective E-coat finish. These master cylinders are available with an integrated reservoir or with a 7/16 in.-20 threaded inlet for a remote reservoir. The internal components have refined return spring and piston assemblies, assuring positive pressure control, along with a quick and complete release. Choose the bore size needed for your application.
( 48 )
$73.89
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$82.57
Lokar Hi-Tech Kickdown Kits
Lokar Hi-Tech kickdown kits are made with an extruded liner for extended life--and are available in either stainless steel braided housing, black stainless steel braided housing, or black housing. They feature matching aluminum fittings and ferrules to help eliminate frayed ends and are adaptable to all types of manifolds, including tunnel ram, blower manifolds, and multiple-carburetor systems. Order the Lokar Hi-Tech kickdown kit designed for your transmission application.
( 467 )
$76.95
Engine Works SFI-Approved Flexplates
Engine Works offers SFI-approved flexplates for a wide range of applications from the 1950s and up. These steel replacements are available in one- or two-piece rear main seal styles, internal or external balanced. The flexplates are designed to factory specs to ensure proper fitment and exceptional performance.
( 2 )
$62.46
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$75.96
Centerforce Throwout Bearings
Centerforce throwout bearings are made to withstand the wear and tear that clutches go through. They are designed to provide reliable service, race after race.
( 126 )
$52.95
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$91.95
Summit Racing™ Governor Recalibration Kits
Summit Racing™ Governor recalibration kits allow you to raise or lower, relative to vehicle speed, the points where your transmission shifts. This is accomplished by a system of combining a variety of weights and springs in your governor, modifying the vehicle speed signal your transmission's shift valves receive. These kits can greatly improve the peak performance and enhance the drivability of the vehicle. They are very useful for transmission swaps, or if you have a car that is very light or has a low rear gear ratio. These kits also work great for bracket cars retaining an automatic 1-2 shift.
( 3 )
$89.99
ATI Transmission Bands
ATI transmission bands use the finest lining and adhesives available to ensure performance and reliability. They play an important role in transmission operations; Kevlar® lining is available for extreme-duty applications.
( 4 )
$89.50
