4 Piston Racing PSI Pro Stock Valve Spring and Titanium Retainer Kit Honda (H Series) But in real racing conditions

But in real racing conditions

There is NO support for these with the OEM ECU

The only bolt made from ARP 2000 Material

300M Material

4 Piston Racing PSI Pro Stock Valve Spring and Titanium Retainer Kit Honda (H Series) But in real racing conditionsWe 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