McLeod RST Clutch with Aluminum Flywheel 1-1/8 x 26 Spline (2018 - 2023 Mustang GT / 2021 - 2023 Mach 1) 6333807

McLeod RST Twin Disc Clutch w/ Aluminum Flywheel (2018–2023 Mustang GT & Mach 1)

The McLeod RST Twin Disc Clutch with Aluminum Flywheel is the ideal solution for high-horsepower street-driven Mustangs that demand strength without sacrificing drivability. Designed for 2018–2023 Mustang GT and 2021–2023 Mach 1 models equipped with a 26-spline input shaft, this clutch kit delivers smooth engagement, light pedal effort, and reliable power handling up to 800 horsepower—making it perfect for boosted or aggressively tuned street cars.

Featuring organic-lined twin discs, the RST provides exceptional street manners with minimal chatter and predictable engagement. Paired with a lightweight aluminum flywheel, throttle response is improved while maintaining comfort for daily driving. This kit is purpose-built for street performance enthusiasts and is not intended for competition use—those seeking track-focused durability should look to McLeod’s RXT or RXT1200 options.

• Rated for up to 800 HP in street performance applications

• Twin disc design increases torque capacity while retaining smooth engagement

• Organic friction material delivers excellent drivability and soft pedal feel

• Lightweight aluminum flywheel improves throttle response

• Economical twin disc option for high-power street builds

• Designed specifically for 26-spline MT-82 transmissions

• Ideal for supercharged, turbocharged, or cammed street Mustangs

Key Specifications

• Engine Compatibility: 2018–2023 5.0L Coyote (8-bolt crank)

• Horsepower Rating: 800 HP

• Flywheel Included: Yes

• Flywheel Material: Aluminum

• Ring Gear: 164 Tooth

• Input Shaft Spline: 1-1/8" x 26

• Disc Material: Organic

• Disc Diameter: 9.687"

Important Notes

• Flywheel is designed to be used with OEM factory crank bolts

• 2018–2023 applications may require a crank relearn procedure or professional tuning

• Calimer-spec’d MT-82 transmissions only

• Not intended for racing or competition use

Vehicle Fitment

• 2018 Mustang GT (26-spline input)

• 2019 Mustang GT (26-spline input)

• 2020 Mustang GT (26-spline input)

• 2021 Mustang GT & Mach 1 (26-spline input)

• 2022 Mustang GT & Mach 1 (26-spline input)

• 2023 Mustang GT & Mach 1 (26-spline input)

The McLeod RST clutch kit is the perfect balance of power capacity and street comfort—built for enthusiasts who want confident power delivery without compromising everyday drivability.