JIMS Springs are made from the highest grade materials, heat treated to the highest industry standards, then torture tested on the street and the track to ensure not only consistent quality, but unmatched performance as well. JIMS Spring Kits incorporate an interference double Spring design with a damper. The damper keeps the inner and outer Spring coils from locking together, while controlling power robbing harmonics in the Spring.
Incorporate an interference double-spring design with a damper to control harmonics
Engineered for maximum performance in high-power applications such as high compression and big-inch street motors
1.460" O.D. and have a pressure of 125 lb. when closed and 275 lb. at .500" lift; installed height should be 1.800"; coil bind occurs at 1.150"
Sold in a set of four springs (enough for one engine)
Made in the USA
Product Note:
Specification
Details
Country of Origin
USA
Max Valve Lift Intake
.600 in.
Outside Diameter
1.510 in.
Quantity
4
Size
1.51 in.
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
