HOLLEY
COMPLETE TRANSMISSION INSTALLATION KIT – 6-BOLT LS ENGINE TO TKX/TKO
Contains everything you need to connect a 6-Bolt LS Engine to a Tremec TKX or TKO Transmission
Part # 319-504
These Holley Transmission Installation Kits come complete with everything you need to bolt a TKX or TKO transmission to almost any Gen III, Gen IV, and Gen V Small Block Chevrolet Engines with a 6-bolt or 8-bolt flywheel. Built with a mixture of our best brands including Lakewood and Hays, this kit includes a bellhousing, billet steel flywheel, clutch and pressure plate, hydraulic release bearing, roller pilot bearing, and all hardware needed to install these components. The 319-504 is set up to be used with the 6-bolt flywheel LS engines which are the majority of the Gen III and Gen IV engines produced before 2009 (LS1, LS2, LS3, LS6, LS7, LM7, LQ9, L33, and similar truck engines). The 319-505 is very similar to the 319-504 but is designed to be used with the 8-bolt flywheel LS and Gen V LT engines that come after 2009 (LSA, LT1, LT4, L83, and similar truck engines).
Features:
- Designed for Gen III/Gen IV Small Block Chevrolet Engines with 6-bolt crank/flywheel using a TKX or TKO transmission
- Light weight cast aluminum bellhousing and stamped steel dust cover provides factory-like installation and appearance
- Billet steel flywheel for light weight (28 pounds) and additional strength
- Roller style pilot bearing offers improved shifting by reducing parasitic drag and transmission wear
- 26-spline, 12-inch organic sprung clutch offers superior clamping force and smooth engagement for engines up to 550 Naturally Aspirated Horsepower (500 w/ Power Adder)
- Adjustable Hydraulic Release Bearing offers reduced pedal effort and easy installation
- Works with OE (original equipment) or MSD High Torque starters
- All hardware included
| Bellhousing Material | Aluminum |
|---|---|
| Brand | Holley |
| Crankshaft Bolt Hole Count | 6 |
| Disc Diameter | 12 |
| Disc Material | Organic |
| Disc Style | Spring Hub |
| Emission Code | 6 |
| Engine | GM Small Block Gen III/IV (LS Based) |
| Engine Make | GM |
| Flywheel Material | Billet Steel |
| Hardware | Steel |
| Input Shaft Diameter | 1-1/8 in. |
| Input Spline | 26 |
| Pilot Bearing | Roller |
| Pressure Plate Style | Diaphragm |
| Product Type | Installation Kit |
| Release Bearing | Hydraulic |
| Transmission | TKO GM |
| TKX GM | |
| UPC | 090127475201 |
| Part Number | 319-504 |
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