4 Piston Racing PSI Pro Stock Valve Spring and Titanium Retainer Kit Honda (H Series) Additional items checked are runout

Additional items checked are runout

the Skunk2 timing chain cover is 14% (10oz) lighter in weight than the OE timing cover

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

300M Material

Max recommended lift on this spring is

4 Piston Racing PSI Pro Stock Valve Spring and Titanium Retainer Kit Honda (H Series) Additional items checked are runoutWe 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