HSP
37.37mm tall. 51.14mm wide. 10.49mm thick. 3.20mm threads for M4 screws.
.12 .18 RC Nitro Engine 2 Shoe Clutch Flywheel Bell Kit
.21 + RC Nitro Engine 2 Shoe Clutch Flywheel + Bell Kit 6mm Axle
.21 + RC Nitro Engine 2 Shoe Clutch Flywheel + Bell Kit 6mm Nut
.21 + RC Nitro Engine 2 Shoe Clutch Flywheel Kit 6mm Axle
.21 + RC Nitro Engine 2 Shoe Clutch Flywheel Kit 6mm Nut