| Management number | 254482901 | Release Date | 2026/11/07 | List Price | US$919.98 | Model Number | 254482901 | ||
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| Category | |||||||||
Compatible with 1970-1990 externally balanced 454 Big Block Chevrolet® equipped with TKO®/TKX Manual Transmission. This product is not created or sold by GM® or Tremec®.;<br><br>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 engine. Built with a mixture of Holley's 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.<br><br>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.<br><br>Works with factory or MSD High Torque starters.;
| Manufacturer part number | 319-502 |
|---|---|
| Automotive specialty part type | Transmission Installation Kit |
| Compatible cars | 1970-1990 externally balanced 454 Big Block Chevrolet equipped with TKO/TKX Manual Transmission |
| Vehicle fitment type | Specific |
| Vehicle make | Chevrolet |
| Vehicle model | 454 Big Block |
| Brand | Holley |
| Weight | 72.55 lb |
| Material | aluminum, steel |
| Items included | 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 |
| Vehicle type | Car |
| Model | Holley |
| Count per pack | 1 |
| Has written warranty | No |
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