Action Clutch Stage 1 Clutch Kit (17+ Civic Si) ONE PC Includes all mounting hardware

Includes all mounting hardware

Designed to boost performance and sharpen throttle response

The “Budget” version of this harness is comparable to the “K2 Mil-spec” harness with the primary difference being the type of wire and sheathing used – the Budget version features an expandable woven loom exterior

We’ve just lowered the price for a limited time

B-series VTEC - P72 cylinder head:

Action Clutch Stage 1 Clutch Kit (17+ Civic Si) ONE PC Includes all mounting hardwareAction 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