Supertech Single Valve Springs w/ Titanium Retainers (DSM/Evo 8/9)

Supertech Single Valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms and better memory. The retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability.

Part # M1007S