GM TKO/TKX Installation kit for 1970-1990 externally balanced 454 Big Block Chevrolet Engines
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.
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.
- 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
Information:
Designed for externally balanced big block 454 Chevy engines with 2-pc rear main seal and a 2.485-inch crank register diameter.| Attributes | |
| Bellhousing Material | Aluminum |
| Brand | Holley |
| California Proposition 65 | No |
| Category | Transmission |
| Category Filter | Transmission and Drivetrain |
| Clearance Category | Transmission and Drivetrain |
| Country of Origin (Primary) | US |
| Disc Diameter | 11, 11 |
| Disc Material | Organic, Organic |
| Disc Style | Spring Hub, Spring Hub |
| Emission Code | 5, 6 |
| Engine | GM Big Block, Big Block Chevy |
| Engine Balance | External, External |
| Engine Make | GM, GM |
| Flywheel Balance | External, External |
| Flywheel Material | Billet Steel, Billet Steel |
| Grade Type | Performance |
| Hardware | Steel, Steel |
| Harmonized Tariff Code (Schedule B) | 8409910000 |
| Hazardous Material Code | N |
| Input Shaft Diameter | 1-1/8 in., 1-1/8 in. |
| Input Spline | 26, 26 |
| Life Cycle Status Code | Available to Order |
| NAFTA Preference Criterion Code | B |
| Part Type | Transmission Installation Kit |
| PILOT BEARING | Roller, Roller |
| Pressure Plate Style | Diaphragm, Diaphragm |
| Product Type | Installation Kit, Installation Kit |
| RELEASE BEARING | Hydraulic, Hydraulic |
| SDR Required Flag | N |
| Sub Category | Manual Transmission Components |
| Transmission | TKO GM, TKX GM |
| Warning | California Proposition 65, California Proposition 65 |
| GTIN | 00090127132562 |