03-04 for Harley Softail Springer FXSTS JIMS Valve Spring Kit Evolution Big Twin Available in 10x5

Available in 10x5

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03-04 for Harley Softail Springer FXSTS JIMS Valve Spring Kit Evolution Big Twin Available in 10x5Manufacturer: Jim's Machining MPN: 1356 Title: Valve Spring Set Size: . 600in Incorporate an interference double spring design with a damper to control harmonics Engineered for maximum performance in severe applications such as high compression and big inch street motors Spring set is 1. 460" OD and has 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