Product Description V-Twin Mfg. Mainshaft Clutch Gear For Harley Sportster Features: Mainshaft clutch gear 17-tooth Includes bushing and Torrington needle bearing Replaces OEM 37448-71 V-Twin Mfg. Mainshaft Clutch Gear For Harley Sportster 1971-1979 at RevZilla Browse all RevZilla deals $151.11 In Stock at RevZilla Price verified today Buy Now at RevZilla Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand V-Twin Mfg. Size OS Condition New MPN 17-1142 V-Twin Mfg.