These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. These 1.6 ratio rockers fit SBC intake valves with a Twisted Wedge Head and a 7/16" stud.
- Category:
- Engine Components>Rocker Arms
- Core:
- N
- LTL:
- N
- MPN:
- 1610-8
- Proposition 65:
- Y
- Special Order:
- Y
