Product Description Specifications Twin Power 17-Up M8 with 4.25 Big Bore Kit 4.25in Head/Base Gasket Kit .030-.014 MLS MPN: 042124
Twin Power 17-Up M8 107 CID Top End Gasket Kit Replaces H-D 25700729 3.937 Bore .030 Head Gasket - 043361 $237.50