RPM Xtreme CNC LT4 Head
- Fully CNC machined combustion chambers
- CNC-blended, as-cast intake ports
- CNC-blended, as-cast exhaust ports.
- 356-T6 heat treated aluminum casting
- ½" OD Manganese-Bronze guides,
- Ductile iron interlocking valve seat inserts
- 50 State Street Legal: Executive Order number D-215-70 for #61939
|
 |
AMC
Small Block
