Complete set of 16 Valve Springs (8 Outer, 8 Inner) rising rate design, to control spring float more accurately with todays cam designs.... quality european steel.
200lb Dual springs for use up to 8000 rpm and 515 thou lift.
The standard fitted length of springs is 1.375". Spacer shims are available to increase valve seat poundage and overall spring rate. If the spring or valve seats in the head have already been machined, it will be necessary to re-shim to the correct fitted length. The bottom collars for the inner springs are No Longer Required as they are a slight interferance fit and friction damped.
