Product Description Parkerized finish 5/16" x 5/8" V-Twin Manufacturing Countersunk Shakeproof Lockwashers at J&P Cycles Browse all J&P Cycles deals $17.99 In Stock at J&P Cycles Price verified 2d ago Buy Now at J&P Cycles Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand V-Twin Manufacturing Size OS Condition New MPN 37-0757 V-Twin Manufacturing