Valve Spring Kit Series: GM Gen III
Style Of Spring: Dual
Outer Overall Diameter: 1.305
Outer Inside Diameter: .955
Inner Overall Diameter: .950
Inner Inside Diameter: .676
Damper: No
Closed Pressure: 145 @ 1.800
Open Pressure: 385 @ 1.150
Rate: 375
Max Lift: .640
Coil Bind: 1.100
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