GM TKO/TKX Installation kit for 1970-1990 externally balanced 454 Big Block Chevrolet Engines

Part Number: 319-502

These Holley Transmission Installation Kits come complete with everything you need to bolt a TKX or TKO transmission to a 1970-1990 454 big-block Chevrolet engine. Built with a mixture of our best brands including Lakewood, Hays and Mr. Gasket. Kit includes: 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 and Benefits

• Designed for 1970-1990 454 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 36 lb, 168 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, 11-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

Designed for externally balanced big block 454 Chevy engines with 2-pc rear main seal and a 2.485-inch crank register diameter.