compensated ring groove assure proper ring loading and oil control
Expansion controlled designs for small fitting clearances. With the tighter fitting clearances comes reduced engine noise, reduced wear, reduced emissions and improved oil control in the long term.
Lightweight design for reduced reciprocating mass without sacrificing reliability. This reduces bearing loads, offers smoother engine running and improves engine response. The JA design can reduce piston weight by up to 15% compared to original factory parts
JAmodified specialize for Forged piston and connecting rod business on racing and performance market. JAmodified today is a manufacturing company capable of researching and developing new or modified products to meet various customers’ needs.JAmodified is providing over Hundreds of pistons to worldwide racing and performance market. All JA forged pistons are 100% in-house production.