Jims Valve Spring Set - .600in - 1356

Features:

• 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
• Made in the USA
• .600in spring sets are 1.460in o.d. and have a pressure of 125 lb. when closed and 275 lb. at .500in lift; installed height should be 1.800in; coil bind occurs at 1.150in