• Solid Roller Spring 1.625 O.D. 
• 275 lbs. on seat
• .850” max lift
• Max RPM 7400-7600
• Steel Retainer: 8518
• Titanium Retainer: 8507
• BBC Valve Lock: 9005
• BBF Valve Lock: 9010
• (1 Piece) or (Set of 16)

AFR's 8014 spring is our badest spring offering, up to .900" max lift and 8500 RPM.

• 1.645” OD Solid Roller Triple Drag Race Spring
• 385 lbs. on seat
• .900” max lift
• Max RPM 8300-8500
• Titanium Retainer: 8517
• BBC Valve Lock: 9005
• BBF Valve Lock: 9010
• (1 Piece) or (Set of 16)

• 1.640 O.D. Solid Roller Valve Spring
• Manley Nextek #221425-16
• 320 lbs. on seat
• .840” max lift
• Max RPM 8200-8400
• Titanium Retainer: 8507
• BBC Valve Lock: 9005
• BBF Valve Lock: 9010
• (1 Piece) or (Set of 16)