Afr 1.625" Od Solid Roller Valve Spring Set - .850 Lift

AFR 8031 - 1.625" OD Solid Roller Valve Spring Set - .850 Lift Note: Does not include Retainers, Shims or Locks, See the product options button to add your retainer and lock type.
Valve Spring Specs:
1.625” OD Solid Roller Dual Drag Race Spring
.850” max lift
Installed Load: 275 lbs. @2.000
Open Load: 810 lbs. @1.150
Coil Bind: 1.100
Spring Rate: 629 lbs.
Max RPM 7400-7600
Steel Retainer: 8518
Titanium Retainer: 8507
BBC Valve Lock: 9005
BBF Valve Lock: 9010 *For those who need shims any general shim kit will work