Action Clutch Stage 1 Clutch Kit (17+ Civic Si) Wiseco Wiseco pistons are trusted by

Wiseco pistons are trusted by professionals to push their engines to the limit

it resists corrosion and delivers a clean

quicker acceleration

timing adjustments

and high-performance applications requiring dependable sealing integrity

Action Clutch Stage 1 Clutch Kit (17+ Civic Si) Wiseco Wiseco pistons are trusted byAction Clutch's lightweight flywheel engineered to deliver measurable performance gains through reduced rotational mass. The aluminum construction cuts weight enabling faster engine response, quicker acceleration, and improved throttle modulation. This upgrade minimizes drivetrain inertia for sharper shifts and enhanced rev matching capability. Ideal for drivers seeking responsive handling without sacrificing reliability or drivability in daily