Transmission & Drivetrain

HD/Race Sprung 6 Pad

• "Excellence in Performance", backed by the best one-year warranty in the industry!

Hot Rod 2-1/8" Gear Select W/OD

• Hot Rod
• With Overdrive
• Curved Glass Lens

Inspection Cover

• Hardware included

Max-Shift Break-In Transmission Fluid 1 Gallon

The TCI Max Shift Break-In Transmission Fluid is the perfect solution for guarding against heat build-up and wear during the critical 30 minute break-in period and initial drain of your automatic transmission.

Max-Shift Break-In Transmission Fluid 3 x 1 Gallon Bottles

The TCI Max Shift Break-In Transmission Fluid is the perfect solution for guarding against heat build-up and wear during the critical 30 minute break-in period and initial drain of your automatic transmission.

Mod-Twin 225 XT Sprung Race

• "Excellence in Performance", backed by the best one-year warranty in the industry!

Non-Adjustable Pivot Ball Stud

• Sold Individually
• Fits 1979-2014 Ford Mustang & 1979-1986 Mercury Capri
• Non-Adjustable Ball Stud

Pivot Ball Stud

Following on the heels of expanded clutch kit offerings, HAYS continues to expand its offerings of driveline products with the release of clutch forks, pivot ball studs, and release spring for popular General Motors, Ford, and Chrysler car and truck applications.

Pressure Plate Bolts - 5/16-18

Engineered and manufactured for reliability, these alloy steel pressure plate bolts are heat treated to Grade 8 specifications for extra strength.

Race Transmission Fluid 12 x 1 Quart Bottles

Add shift quality, performance and durability to any automatic transmission by simply pouring in TCI Max Shift (ATF) Transmission Fluid.

Release Bearing

• "Excellence in Performance", backed by the best one-year warranty in the industry!

Ring Gear Bolts

• High Quality Grade 8 Steel
• Black Oxide Coating
• Longer Than Stock - Use w/ Ring Gear Spacer

STEEL CLUTCH FORK COVER

• Clutch Fork Cover
• Black Oxide Steel
• Included with LK8000K and LK9000K

Street Performance Transmission Fluid 12 x 1 Quart Bottles

Add shift quality, performance and durability to any automatic transmission by simply pouring in TCI Max Shift (ATF) Transmission Fluid.

Transmission Shifter Gasket

• Requires no silicone to provide a simple and clean installation
• Excellent torque retention to prevent possible leaks caused from loosened bolts
• Aluminum carrier provides un-matched gasket strength, fit, and, durability

Triple Disc XT/SI Race Kit

• "Excellence in Performance", backed by the best one-year warranty in the industry!

Universal Transmission Controller

• Includes transmission controller and clearly labeled auxiliary harnesses for simple installation
• TC Tuner features Setup Wizard with base calibrations and capability to fully customize tune
• Compatible w/ most iOS & Android mobile devices

Universal Transmission Controller

• Includes transmission controller and clearly labeled auxiliary harnesses for simple installation
• TC Tuner features Setup Wizard with base calibrations and capability to fully customize tune
• Compatible w/ most iOS & Android mobile devices

Water Temp Sensor Kit

• Senses the water temperature
• Weatherproof connector
• Connector and pins included

1.76 Planetary Carrier

This cleverly engineered bolt-together design is available in several gear ratios and shafts, making it the most versatile planetary unit for every racing configuration.

1991-1996 6AN Fitting Kit

Our TCI Transmission Cooler Fittings are Perfect for Plumbing your Transmission Oil Cooler.

2004R Band Anchor Pins

GM 2004R New Band Anchor Pins.

700R4 Reverse Input Drum

Billet Shifter Boot and Bezel - Rectangular - Black Finish

• Available in polished or matte black
• Stainless hardware included
• Available in both rectangular and round options to fit most vehicles

Boot Plate for Starshifter 80675

• Sold Individually
• Black Plastic
• Replacement Part