McLeod RST HD Twin Disc Clutch Kit with Steel Flywheel (6439003MD) - Ford 2.3L EcoBoost Crate Engine
Built for serious Ford EcoBoost crate engine projects, the McLeod RST HD Twin Disc Clutch Kit delivers exceptional holding power while maintaining outstanding street manners. Bridging the gap between McLeod's legendary RST and RXT clutch systems, the RST HD is rated to support up to 950 horsepower and provides smooth engagement, light pedal effort, and dependable performance for street, drag racing, and road course applications.
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 unique combination increases torque capacity while minimizing drivetrain shock and maintaining excellent drivability. Paired with a durable billet steel flywheel, the system offers superior heat capacity, consistent engagement, and long-lasting reliability for demanding high-performance EcoBoost builds.
Features
- Designed for Ford 2.3L EcoBoost crate engine applications
- Rated to support up to 950 horsepower
- Twin-disc clutch design for increased torque capacity and improved 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
- Designed for 1-1/16-inch, 10-spline transmission input shafts
- Includes installation hardware and alignment tool
- Sold as a complete kit
Specifications
- Part Number: 6439003MD
- Horsepower Rating: 950 HP
- Clutch Disc Quantity: 2
- Disc Diameter: 9.688 inches
- Input Shaft Diameter: 1.063 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
- Hardware Included: Yes
- Alignment Tool Included: Yes
- Throwout Bearing Included: No
- Pilot Bushing Included: No
- Quantity: Sold as a Kit
Fitment
- Ford 2.3L EcoBoost Crate Engine Applications
Additional Notes
- Specifically designed for Ford 2.3L EcoBoost crate engine applications.
- Designed for transmissions utilizing a 1-1/16-inch, 10-spline input shaft.
- Includes a durable 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 exceptional torque capacity, smooth engagement, and long-lasting durability.
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