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Holley

Complete Transmission Installation Kit

GM TKX/TKO Installation kit for 1990-2000 externally balanced 454/502 Big Block Chevrolet Engines

Part # 319-503 Be the first to write a review

Complete Transmission Installation Kit

These Holley Transmission Installation Kits come complete with everything you need to bolt a TKX or TKO transmission to a 1990 thru 2000 454/502 big block Chevrolet engine. Built with a mixture of our best brands including Lakewood, Hays, and Mr. Gasket. They include a roller pilot bearing, bellhousing with dust shield, billet steel flywheel, clutch, and pressure plate, hydraulic release bearing, and all hardware needed to install these components.

Features:

  • Designed for 1990-2000 454/502 Big Block Chevrolet Engines using a TKX or TKO transmission
  • Light weight cast aluminum bellhousing and stamped steel dust cover provides factory-like installation and appearance
  • Billet steel 29 lb, 153 tooth externally balanced flywheel for light weight and strength
  • Roller style pilot bearing offers improved shifting by reducing parasitic drag and transmission wear
  • 26 spline, 10.50-inch clutch disk offers superior clamping force for engines up to 500 hp
  • Adjustable Hydraulic Release Bearing offers reduced pedal effort and easy installation
  • Organic clutch disc features heavy-duty hub spring assembly for increased load capacity
  • Works with OE (original equipment) or MSD High Torque starters
  • All hardware included

About Holley

Looking for Holley performance products? We're the undisputed leader in carburetors, fuel pumps, fuel injection, intake manifolds, and more. Buy now!

Bellhousing MaterialAluminum
Brand Holley
Disc Diameter10.5
Disc MaterialOrganic
Disc StyleSpring Hub
Emission Code6
EngineGM Big Block
Engine BalanceExternal
Engine MakeGM
Flywheel BalanceExternal
Flywheel MaterialBillet Steel
HardwareSteel
Input Shaft Diameter1-1/8 in.
Input Spline26
Pilot BearingRoller
Pressure Plate StyleDiaphragm
Product TypeInstallation Kit
Release BearingHydraulic
TransmissionTKO GM
TKX GM
UPC090127132579
Part Number319-503
Instructions for Part# 319-503
Designed for externally balanced 454/502 big block Chevy engines with 2-pc rear main seal and a 2.485-inch crank register diameter. GM Crate 502 and 572 engines will require a different flywheel

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    Some parts are not legal for use in California or other states with similar regulations.