Quick view Add to Cart 38.25mm Pin Ring Kit 38.25mm Piston Rings Pin Kit For Honda CHF50 02-09 CHF50A 04 CHF50S 06-09 CHF50S 04-05 CHF50P 02-05 CHF50PA 04 CHF50PS 04-05 NPS50 08-09 NPS50S 04-09 Generic MSRP: Was: Now: $46.98