Short heavy duty .490 wrist pin for Wiseco pistons. This pin weighs in at 28 grams. Unlike the other heavy duty wrist pin we carry(p/n 6522) this new wrist pin does not need to be cut down to be used with a Wiseco or J E piston in our Animal, Honda GX200, or Clone stroker and long rod setups. The 6521 is a tapered .490 pin that is 1.885" in length and made from from high quality tool steel. The best .490" wrist pin on the market.