Isky Super-Rad Dual Valve Springs with Damper (16) 1.560" OD - ISK1685
The Super-Rad Series succeeds where other valve springs fail. Test proven in the ISKY Research Lab under Spintron III parameters, that being 1024 racing miles of abuse followed by 26 continuous miles of absolutely flat out (9000 rpm) sustained full throttle operation this taking Super-Rads endurance to the next level.
Specifications:
Inner OD/ID: 1.560"/1.145" Seat OD/ID: 1.040"/0.740" Open Pressure: 250lbs @ 2.000" Rate Pressure: 610lbs @ 1.280" Coil per Inch: 500 Max Bind: 1.200" Type of Net Lift: 0.720" Cam: Roller
