Action Clutch Stage 1 Clutch Kit (99-00 Civic Si) Wiseco Built with quality materials and

Built with quality materials and tight tolerances

SpeedFactory Titanium Exhaust Manifold Stud Kit for Toyota 1JZ/2JZ engines delivers superior heat resistance and durability where it matters most

SpeedFactory B Series Coil Plate for K Coils delivers precision engineering for your suspension setup

and steel nitride/Napier XX ring technology for superior heat management and wear resistance

Action Clutch Stage 1 Clutch Kit (99-00 Civic Si) Wiseco Built with quality materials andAction 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