I have several sets of wiseco 94mm forged piston kits available in flat top or notched for valves priced from $ 498 a set . A set includes pistons , rings , pins & sprial lox .In addition to these pistons I have the popular Jay Cee long barrells that are 24mm longer than the mahle priced @ $ 310 a set . ROD , 02-42729920 .