With a 2024 aluminum rocker and 8620 hardened steel shaft, this shaft-mount rocker system adds stability to the engine which frees up horsepower. This system features 1.7 ratio rockers for Chevrolet Big Block w RHS Pro Action 320/360 head.
- Category:
- Engine Components>Rocker Arms
- Core:
- N
- LTL:
- N
- MPN:
- 1520CPG
- Proposition 65:
- Y
- Special Order:
- Y
