Wiseco B18A / B18B Pistons Select Part Number:81.25mm - 8.2:1 - K541M8125AP as well as using the

as well as using the latest in CFD (Computational Fluid Dynamics) software

We recommend the higher spring pressure option for turbo or all motor

yet enough balls up top to pull hard to our USAC mandated 9400 rpm limit

Best of all

Protects port surfaces

Wiseco B18A / B18B Pistons Select Part Number:81.25mm - 8.2:1 - K541M8125AP as well as using theWiseco brings over 60 years of experience to the import world. These years include developing pistons in Formula 1, Indy Racing League, and NHRA Pro Stock. This racing technology allows Wiseco to bring the latest innovations in piston technology to the Sport Compact market. Valve pocket designs maximizes flow around valves Oversize valves and high lift camshafts can be utilized. Pistons crown shapes designed to promote maximum intake charge efficiency