HSP
To fit .12 to .18 nitro engines. 1.10 scale. 5mm center hole diameter.
.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