SuperTech Valve Springs Fits Nissan Skyline R33 GTST RB25 Hydr. 85lb Single Spring Retainer

Supertech valve springs are made with premium Super Clean Chrome silicon Vanadium Steel alloy for the highest performance and durability at high rpm's.

Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control.

The retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability.

Choose from;

Single;

For use with standard replacement applications 

Dual;

For use with higher revving and horsepower applications

Beehive;

Supertech offer Beehive springs for select applications. These springs offer a lower alternative mass and a lower variable natural frequency rate.