Product Description V-Twin Mfg. Clutch Release Disc For Harley Sportster Features: Direct replacement for the stock piece Replaces OEM 37878-74 V-Twin Mfg. Clutch Release Disc For Harley Sportster 1971-1983 at RevZilla Browse all RevZilla deals $73.92 In Stock at RevZilla Price verified 1d ago Buy Now at RevZilla Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand V-Twin Mfg. Size OS Condition New MPN 18-3208 V-Twin Mfg.