4 Piston Racing PSI Pro Stock Valve Spring and Titanium Retainer Kit Honda (H Series) clean feel that holds up

clean feel that holds up no matter how hard you run it

H1005D - Seat Pressure 93 lb

CTR enthusiasts around the world spoke

The only bolt made from ARP 2000 Material

a stronger stud needed to be manufactured to meet the demands of today's top engine builders and racers alike

4 Piston Racing PSI Pro Stock Valve Spring and Titanium Retainer Kit Honda (H Series) clean feel that holds upWe are proud to offer the highest quality, longest lasting valve springs for your K Series and S2000 engine Period. Valve control is one of the most important parts of making power and promoting long engine life. Too often springs are pushed beyond their functional limits and valves bounce out of control. We put these kits together after extensive testing and these are a must if you are racing competitively, turning high rpm, and running large