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TransGo's Performance shift kits give you the hard-launching, tire-blazing shifts you want, after just a few hours' work with basic hand tools. TransGo even has kits for computer-controlled, 4-speed automatics. Their performance shift kits can be installed with the transmission in the vehicle and they come with complete instructions. Some kits even include a step-by-step video to walk you through the installation process.
( 500 )
$50.14
Operating line pressure is the lifeblood of any automatic transmission by providing the clamping force on the clutches and bands. Oftentimes, increasing line pressure is a requirement when increasing driveline output. TCI's new 4L60E boost valve assemblies provide you the means of elevating your line pressure while also addressing wear issues that may actually have your transmission running at a lower level of pressure than GM intended! Features include: * Larger valve diameter over stock which yields 10-15% higher line pressure * O-rings on boost sleeve which prevent loss of boost signal pressure * Sleeve constructed from Alcoa Deltalloy 4032 & valve is hard-coat anodized which prevents wear between the mating parts
Not Yet Reviewed
$65.95
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.
( 17 )
$74.99
Summit is proud to offer our Summit Racing™ Transmission Yokes. Built from quality materials these are offered in various Lengths and common U-joint sizes to allow you to replace your bent, rusted, or worn factory yoke or finish up a swap where the driveshaft is just a touch too short. Eliminate that last weak spot in your driveline with Summit Racing™ transmission yokes.
( 61 )
$74.99
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$85.99
PRW Gold Series flexplates are engineered to handle extreme duty applications and designed to endure the punishment of modern high horsepower engines. The 4mm thick centerplate provides a solid foundation for these direct bolt-on drivetrain components. Ring gears are precision double-welded, utilizing robotic machinery and cold-welding processes for added durability. These flexplates are rigorously inspected throughout the manufacturing cycle to ensure you receive the expected quality. They are available in a wide variety of configurations to precisely match your application. Raise the bar on your high performance vehicle with PRW Gold Series flexplates. Order the style recommended for your specific vehicle and engine size. Features and specs: * Designed to fit standard OEM, aftermarket replacement, and high performance torque converters * SFI 29.1 certified * Forged one-piece steel ring gears * 0.035 in. thicker than stock flexplates * Constructed from cold-rolled chromoly steel * Long lasting yellow zinc plated finish
( 40 )
$103.18
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 )
$91.85
Strange offers superior transmission yokes in heavy-duty cast steel and 1350 Series chromoly to fit the most popular transmissions. Fully heat-treated to achieve optimal tensile strength, Strange chromoly transmission yokes are machined to ensure concentricity and balance for ideal driveshaft operation. Plus, they also offer specially heat-treated (case-hardened) yokes for your roller-bearing extension housings and chromoly Powerglide 2-piece that dramatically reduce transmission changes. For both racing and street use, Strange transmission yokes are a solution to failure-prone stock yokes.
( 129 )
$84.99
Lokar floor mount cable conversion kits facilitate changing your automatic transmission shifting style from rod linkage to cable operation. These components allow the cable to be routed around obstacles and mounted in virtually any location. When paired with Lokar's durable push/pull 1/4 in. cable and spherical rod ends, your shifter will rise to the next level of performance. Make your conversion an easy process with shift assembly parts from Lokar.
( 5 )
$118.95
If space is tight between the firewall and motor, you'll be surprised how easy it is to install Summit Racing™ braided stainless transmission dipsticks without any problems. The inner cables are clearly marked and easy to read.
( 88 )
$64.99
ACDelco automatic transmission tailhousings fit your vehicle to deliver the same OE performance, durability, and service life as their original counterparts. They provide factory form for an easier install and a repair that stays on budget. Each of these transmission case rear extensions includes the correct seal for a tight connection. Dozens of models are available for vehicles from the 1990s and up. Order the tailhousing recommended for your application.
( 12 )
$99.99
ICT Billet bellhousing spacers for GM bellhousings are installed between your transmission and bellhousing to gain more space for extra hydraulic clearance. Manufactured from billet aluminum, they will ensure proper clearances are maintained for alignment and smooth operation.
( 26 )
$58.99
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$64.99
These sprags and roller clutch kits from TCI are all-new OEM assemblies. Replacing the forward sprag assembly and low-reverse roller clutch is a must when building a high performance 700R4/4L60E. These forward sprags are 29-element, which makes them ideal upgrades for earlier 700R4 transmissions that were built with weaker sprags from the factory.
( 3 )
$106.95
Winters neutral/back-up safety switches are necessary to run your Sidewinder on the street. Working reverse lights are a must, and these double safety switches allow you to add the back-up lights in a matter of minutes. They bolt on and feature one switch that operates in park and neutral, with the other operating in reverse. Winters neutral/back-up safety switches are offered for different transmission applications.
( 16 )
$62.99
These automatic transmission oil pans from Mr. Gasket are stock-depth chrome plated pans. They come complete with a washer and gasket and most have drain plugs.
( 88 )
$72.55
ICT Billet offers a wide array of high-quality, aftermarket automotive products—including ICT Billet solid transmission mounts. They are made from aerospace-grade billet aluminum to securely locate and stabilize your transmission. Proper mounting prevents misalignment and unnecessary strain on your driveline components caused by high loads that can otherwise interfere with correct transmission operation.
( 8 )
$59.99
Edelbrock transmission output shaft speed sensor adapter harnesses are replacements for the factory OE parts installed during the production of your GM vehicle. Replace worn or malfunctioning components to provide your 4L60E engine with the proper information that it needs to run its best. Order the recommended (TOSS) sensor adapter harness for your GM application.
Not Yet Reviewed
$54.95
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$59.95
Dorman transmission pans are the perfect OE replacements for those rust-prone parts. Some things just don't last forever. So, when it's time to replace your transmission pan, look to Dorman for the qualities, fit, and function you need to keep your vehicle on the road. Check and service your parts often and replace them with Dorman.
( 87 )
$56.95
TCI steel transmission pans are the perfect replacement for performance and appearance beneath your vehicle. These steel reservoirs are thicker than stock for longevity, and some models are beautifully chrome plated to further prevent rust—in addition to including a drain plug to facilitate fluid maintenance. Over time, many transmission pans develop a warped, leaky gasket flange, or become damaged by road debris. Protect your transmission by bolting on one of these economical replacement upgrades from TCI.
( 67 )
$85.95
Trans-Dapt Performance flexible braided stainless transmission dipsticks feature a flexible, heat-resistant PTFE rod with a braided stainless steel cover. The inner rod is stamped with appropriate trans-fluid levels and the outer housing has a slim design that allows mounting inside headers. These dipsticks include a funnel adapter to assist with filling.
( 17 )
$107.99
Whether racing on a dragstrip, road track, or off-road, there's always a chance things won't go right. FTI Performance locking transmission dipsticks keep fluid from coming back out the tube even under extreme conditions. FTI has many variations available, making it easy to find the right style, size, and finish for your vehicle make and transmission application.
( 18 )
$52.99
B&M Shift Improver kits are the easiest way to get the stout performance you've always wanted out of your automatic transmission. All you need are some hand tools and an afternoon, and you can turn your transmission into a B&M-tuned unit. Each kit has two stages to fit your needs: RV/Towing and Street/Strip.
( 106 )
$85.05
These Sonnax 2nd Gear Corvette ratio servo kits provide increased apply area resulting in improved holding power for firmer 1-2 and 3-4 shifts in 4L60 (700-R4) and 4L60-E transmissions. The servo piston features D-rings in place of the OE seal rings for improved sealing during apply and release. They are compatible with Sonnax 4th Gear Super Hold dual servo kits. Sonnax 2nd Gear Corvette ratio servo kits include: * Piston * 2 Piston D-Rings * Housing * Housing O-Ring
( 2 )
$57.53
Thanks to the folks at TCI, you can learn to overhaul your transmission at home! These transmission technical overhaul manuals come in either hardback or CDs and are filled with in-depth technical information and plenty of photos and illustrations. They'll help you rebuild your tranny the right way the first time!
( 24 )
$51.95
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$58.95
Is your shifter cable worn or damaged? ACDelco GM Genuine Parts shifter cables provide reliable shifting performance. Manufactured from top-quality materials, these shifter cables fit your stock shifter assembly and install in the stock location. They are a GM recommended replacement for your vehicle's original component and are manufactured to offer you the same performance, durability, and service life you expect from General Motors.
( 37 )
$51.99
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$103.99
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