McLeod RST HD Twin Disc Clutch Kit with Steel Flywheel (6405504MD) - 2001-2007 GM 6.0L LS
Take your GM LS-powered performance build to the next level with the McLeod RST HD Twin Disc Clutch Kit. Designed for enthusiasts who demand exceptional street manners with the holding power required for serious horsepower, the RST HD bridges the gap between McLeod's proven RST and RXT clutch systems. Rated to support up to 950 horsepower, this clutch delivers outstanding torque capacity, smooth engagement, and dependable performance for aggressive street driving, drag racing, and road course use.
The RST HD utilizes McLeod's advanced hybrid twin-disc design, combining smooth-engaging organic friction material on one side of each disc with high-bite segmented ceramic material on the other. This innovative combination provides increased torque-holding capability while maintaining light pedal effort and reducing drivetrain shock. Paired with a durable billet steel flywheel, this complete clutch kit offers excellent heat resistance, consistent engagement, and long-lasting reliability for demanding high-horsepower LS combinations.
Features
- Fits select 2001-2007 GM 6.0L LS applications with a 6-bolt crankshaft
- Rated to support up to 950 horsepower
- Twin-disc clutch design for increased torque capacity and superior heat management
- Hybrid organic and segmented ceramic friction discs
- Smooth engagement with excellent street drivability
- Ideal for high-performance street and track applications
- Diaphragm-style pressure plate provides light pedal effort
- Includes durable billet steel flywheel
- 168-tooth flywheel with internal engine balance
- Designed for 1-1/8-inch, 10-spline transmission input shafts
- Includes installation hardware and alignment tool
Specifications
- Part Number: 6405504MD
- Horsepower Rating: 950 HP
- Clutch Disc Quantity: 2
- Disc Diameter: 9.688 inches
- Input Shaft Diameter: 1.125 inches
- Input Spline Quantity: 10
- Disc Material: Organic / Ceramic
- Disc Style: Full Face / Segmented
- Hub Style: Solid
- Pressure Plate Style: Diaphragm
- Clutch Usage: Performance
- Flywheel Included: Yes
- Flywheel Material: Billet Steel
- Engine Balance: Internal
- Ring Gear Tooth Quantity: 168
- Crankshaft to Flywheel Bolt Quantity: 6
- Hardware Included: Yes
- Alignment Tool Included: Yes
- Throwout Bearing Included: No
- Pilot Bushing Included: No
Fitment
- 2001 Chevrolet 6.0L LS Applications with 6-Bolt Crankshaft and 1-1/8-Inch, 10-Spline Transmission Input Shaft
- 2002 Chevrolet 6.0L LS Applications with 6-Bolt Crankshaft and 1-1/8-Inch, 10-Spline Transmission Input Shaft
- 2003 Chevrolet 6.0L LS Applications with 6-Bolt Crankshaft and 1-1/8-Inch, 10-Spline Transmission Input Shaft
- 2004 Chevrolet 6.0L LS Applications with 6-Bolt Crankshaft and 1-1/8-Inch, 10-Spline Transmission Input Shaft
- 2005 Chevrolet 6.0L LS Applications with 6-Bolt Crankshaft and 1-1/8-Inch, 10-Spline Transmission Input Shaft
- 2006 Chevrolet 6.0L LS Applications with 6-Bolt Crankshaft and 1-1/8-Inch, 10-Spline Transmission Input Shaft
- 2007 Chevrolet 6.0L LS Applications with 6-Bolt Crankshaft and 1-1/8-Inch, 10-Spline Transmission Input Shaft
Additional Notes
- Designed for GM 6.0L LS applications equipped with a 6-bolt crankshaft, 168-tooth flywheel, and 1-1/8-inch, 10-spline transmission input shaft.
- Includes billet steel flywheel, installation hardware, and alignment tool.
- Throwout bearing and pilot bushing are not included and must be purchased separately if required.
- Ideal for high-horsepower street and track builds requiring increased torque capacity, smooth engagement, and exceptional durability.
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