Spyke Krypto-9 Starter Drive Clutch 1.8/2.4KW for Harley for Harley

Replaces OEM H-D #31663-90
Limited lifetime manufacturers warranty

The New K-9 Utilizes Cutting Edge Materials Technology to Achieve Max Strength and Hardness, for a Beefed-Up Drive, in Motors That Are Hard to Tame

Fits 1.8 and 2.4 KW Spyke Starters

Features 52100 Hardened Steel Sprags

The Double Cage Construction Makes Each Sprag Share the Load Equally

This Prevents Inter-Sprag Friction and Extends the Drive Life

Ramp/roller Design Uses 5 Roller Pins and 5 Springs Instead of 12 Each to Handle Much More Torque and Horsepower

Lifetime Warranty