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SpeedFactory's precision-engineered billet thermostat housing delivers superior cooling system performance for B and D series engines
and 4 rings
this Supertech dual valve spring kit delivers the precision and durability demanded by serious enthusiasts
making them ideal for forced induction and naturally aspirated applications demanding reliability and power
A trusted upgrade for serious Integra enthusiasts seeking OEM-quality engineering with measurable performance gains
Action Clutch Stage 1 Clutch & Flywheel Kit (04-08 TSX) Wiseco SpeedFactory's precision-engineered billet thermostat housingAction 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
