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SpeedFactory B Series Coil Plate for K Coils delivers precision engineering for your suspension setup
or any build demanding maximum valve train stability
Ideal for rebuilds
Built with quality materials and tight tolerances
7:1 compression ratio maximize naturally aspirated performance and efficiency
Action Clutch Stage 1 Clutch Kit (99-00 Civic Si) Wiseco SpeedFactory B Series Coil PlateAction 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
