Supertech SPR-H1021D Dual Valve Spring

Supertech SPR-H1021D Dual Valve Spring Product Detail(s): Brand : Supertech Manufacturer Part Number : SPR-H1021D Country of Origin : USA Warranty : Yes Description(s): Our dual valve springs are designed and manufactured to reduce valvetrain harmonics increase durability and provide an increase in performance for your high performance racing engine. All of our dual valve springs are manufactured using superclean chrome silicon vanadium alloy and then heat treated stress relieved and shoot peened to help improve the fatigue life of the spring. Feature(s): Designed to reduce valvetrain harmonics Provide an increase in performance for your racing engine Manufactured from superclean chrome silicon vanadium alloy for superior durability Made in the USA Technical Specification(s): Type : Dual Spring OutSpr.OD : 30mm OutSpr.ID : 21.8mm InnSpr.OD : 21.3mm InnSpr.ID : 15.5mm Press.Seat : 95 @ 40.4 Press.Open : 253 @ 12 Max Lift : 17.70mm Coil Bind : 22.7mm Rate : 13.2mm WARNING: This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov

Supertech SPR-H1021D Dual Valve Spring