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lifting volumetric efficiency
the RPF1 is lightweight and incredibly strong
Skunk2 Ultra Series Valves for the Honda B16/ B17/ B18 VTEC motors are our premium line of valves
Ideal for motorsport
Spoon Sports Rigid Collar - Toyota Caldina ST215W - Full Kit 51325-TA0-A01 lifting volumetric efficiencyDeveloped by Spoon Sports, the Japanese Honda tuning specialists, Rigid Collars are precision machined aluminium rings that lock your subframe to the chassis. Factories drill the subframe bolt holes oversized so components drop in fast on the production line, and that clearance stays for the life of the car. It leaves the subframe sitting a fraction off centre, dulling steering response and letting vibration through the floor. Fit a set and the bolts
