KB Performance KB409C.040 Cast Piston Kit (103ci., Flat Top) - .040in. Oversize to 3.915in., 10:1 Compression

High-quality premium performance pistons are a special hypereutectic T5 aluminum alloy. This alloy makes it possible to build a lightweight piston that makes more power, runs great, uses less fuel and lasts longer than other pistons. Kit includes 2 cast pistons, 1 set of Hastings moly rings and piston pin clips. Instructions included.