This installation kit bolts a Tremec TKX or TKO transmission to Gen III/Gen IV Small Block Chevrolet LS engines with a 6-bolt crank/flywheel, combining trusted Lakewood and Hays components into one complete package.
Specifications:
- Category: Transmission
- Engine: GM Gen III/IV (LS)
- Crankshaft Bolt Hole Count: 6
- Bellhousing Material: Aluminum
- Flywheel Material: Billet Steel
- Disc Diameter: 12 in.
- Disc Material: Organic
- Disc Style: Spring Hub
- Pressure Plate Style: Diaphragm
- Pilot Bearing: Roller
- Release Bearing: Hydraulic
- Input Shaft Diameter: 1-1/8 in.
- Input Spline: 26
- Transmission Fitment: Tremec TKX / TKO
- Sub Category: Manual Transmission Components
- Part Number: 319-504
Includes a cast aluminum bellhousing and stamped steel dust cover, a lightweight billet steel flywheel, a 26-spline organic sprung clutch rated up to 550 naturally aspirated horsepower (500 with a power adder), an adjustable hydraulic release bearing, and all mounting hardware. Works with OE or MSD High Torque starters.
FAQ
What engines does this kit fit?
Gen III and Gen IV Small Block Chevrolet LS engines with a 6-bolt crank/flywheel (LS1, LS2, LS3, LS6, LS7, LM7, LQ9, L33, and similar truck engines).
What is the clutch rated for?
Up to 550 naturally aspirated horsepower, or 500 horsepower with a power adder.
What's the difference between this and the 319-505?
The 319-505 is the equivalent kit for 8-bolt flywheel LS and Gen V LT engines built after 2009.

