GX270-390-420cc Big Block Racing Valve Spring HD Single 54lb *pair

Description:

Spring, Valve, Severe Duty, set (Fits 240, 270, 340, & 390s). High Quality Alloy!

Approx 54lb at 1.15"
1.65" Free Height

THESE SPRINGS ARE HIGHLY-RECOMMENDED WHEN REMOVING YOUR STOCK GOVERNOR! Without them, the engine will not rev much past 4500 and the stock valves will float, eventually causing engine damage.

These springs are sold as a set.
Use as single springs. Package may come with optional inner springs.