Vented ultra light purple 3 shoe flywheel 3 shoe clutch kitThis is a complete kit to upgrade form Savage 21, Savage SS kit or replace the flywheel and or clutch shoes of RTR Savage 25.This vented ultra light purple 3 shoe flywheel will cool the engine and much lighter than stock flywheels, this allows an engine to spool up more quickly.A specially SMALL-DIAMETER FYLWHEEL (30mm) will allow more gear ratios without interference with the chassis.INCLUDES:One 3 Pin aluminum flywheelThree Teflon Clutch ShoesThree Clutch SpringsREQUIRES: Installation onto engine. with stock pilot nut hpi86076.