RB30 Factory Cylinder Head change over

RB30 factory single cam cylinder head.

Change over cylinder head to fit factory or billet block.

Head is complete and assembled ready to bolt on with…

• Head intake & exhaust ports are CNC ported only. Chambers are not CNC ported.
• Stainless intake valves     (+1mm from std)
• Stainless exhaust valves     (+1mm from std)
• Beehive super finished valve springs
• Molly retainers
• Machined locks

• LIFT	.100”	.200”	.300”	.400”	.450”	.500”	.550”
  Intake CFM	52	105	151	193	196	197	201
  Exhaust CFM	56	50	123	127	129	131	132