Edelbrock "RPM" aluminum cylinder head, 289, 302 and 351W with 1.90 "EV, each
- Aluminum cylinder head
- Inlet valve 48.2 mm
- Exhaust valve 40.7 mm
- Fully assembled valves with springs
- Combustion chamber 60cc
- Optimized channels
- With pushrod guide
- 3/8 "rocker bolts
- Suitable for scooter rockers.