This is the Heavy Duty 15 Tooth Clutch Bell for the HPI Savage SS. FEATURES: Constructed of steel Good for off-road use INCLUDES: One Heavy Duty 15 Tooth Clutch Bell for the HPI Savage SS REQUIRES: Installing on clutch assembly SPECS: Number of Teeth: 15 Diameter: 1.1" (28mm) jxs 9/24/03 ir/jxs