• Solid Roller Dual Valve Spring 1.580 O.D.
• Erson # E 915043
• 235 lbs. on seat
• .730” max lift
• Max RPM 7200-7400
• Steel Retainer: 8511
• Titanium Retainer: 8505
• SBC/SBF Valve Lock: 9009
• BBC Valve Lock: 9005
• BBF Valve Lock: 9010
• (1 Piece) or (Set of 16)

• 8019-1 - Contains 1 Spring
• 8019-16 - Contains 16 Springs
• Hydraulic Roller Spring 1.270 O.D.
• Premium Grade Chrome Silicon
• 155 lbs. on seat
• .650” max lift
• Max RPM 7000-7200
• SBC/SBF Steel Retainer: 8514
• SBC/SBF Titanium Retainer: 8515
• SBC/SBF Valve Lock: 9007
• LSx Titanium Retainer: 8512
• LSx Valve Lock: 9007
• (1 Piece) or (Set of 16)

• Hydraulic Roller Spring 1.290 O.D.
• Premium Grade Chrome Silicon
• 140 lbs. on seat
• .600” max lift
• Max RPM 6300-6500
• SBC/SBF Steel Retainer: 8514
• SBC/SBF Titanium Retainer: 8515
• SBC/SBF Valve Lock: 9007
• LSx Titanium Retainer: 8512
• LSx Valve Lock: 9007
• (1 Piece) or (Set of 16)

• PAC Racing Springs #1940
• Street Hydraulic Roller Spring 1.550 O.D.
• 175 lbs. on seat
• .725” max lift
• Max RPM 6500-6700
• Steel Retainer: 8511
• Titanium Retainer: 8505
• SBC/SBF Valve Lock: 9009
• BBC Valve Lock: 9005
• BBF Valve Lock: 9010
• (1 Piece) or (Set of 16)

• PAC Racing Springs
• 1.550” OD Solid Roller Dual Race Spring
• 220 lbs. on seat
• .710” max lift
• Max RPM 7200-7400
• Steel Retainer: 8511
• Titanium Retainer: 8505
• SBC/SBF Valve Lock: 9009
• BBC Valve Lock: 9005
• BBF Valve Lock: 9010
• (1 Piece) or (Set of 16)

• PAC Racing Springs #1225
• 1.550” OD Solid Roller Dual Drag Race Spring
• 250 lbs. on seat
• .800” max lift
• Max RPM 8000-8200
• Titanium Retainer: 8505
• SBC/SBF Valve Lock: 9009
• BBC Valve Lock: 9005
• BBF Valve Lock: 9010
• (1 Piece) or (Set of 16)

AFR's 8016 spring is built for use with solid flat tappet cam shafts operating up to 7200 RPM.

• 1.550” OD Solid Flat Tappet
• 140 lbs. on seat
• .650” max lift
• Max RPM 7200-7400
• Steel Retainer: 8511
• Titanium Retainer: 8505
• SBC/SBF Valve Lock: 9009
• BBC Valve Lock: 9005
• BBF Valve Lock: 9010
• (1 Piece) or (Set of 16)

AFR's 8020 spring is designed for use with hydraulic flat tappet cam shafts up to .550" lift.

• 1.437” OD Hydraulic Flat Tappet
• 125 lbs. on seat
• .550” max lift
• Max RPM 6100-6300
• Steel Retainer: 8510
• SBC/SBF Valve Lock: 9009
• (1 Piece) or (Set of 16)