- 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