Valve Spring Kit Series:
GM Gen III Style Of Spring: Dual
Outer Overall Diameter: 1.305
Outer Inside Diameter: .935
Inner Overall Diameter: .935
Inner Inside Diameter: .665
Damper: No
Closed Pressure: 152 @ 1.800
Open Pressure: 413 @ 1.150
Rate: 405
Max Lift: .660
Coil Bind: .1.060
Retainers Included: Yes
Retainer Material: 4140 Chrome Moly
Valve Locks Included: Yes
Valve Lock Style: 7 Degree
Number of Grooves: Bead Lock
Valve Lock Material: Alloy Steel
Quantity: 1 Kit
Country Of Origin: United States