Part #HD1PK
Port & polish
Install & size guides
Valve job with blend
With or without dual plugs Assembled with high flow valves, .495 lift performance springs, retainers, BC's custom bottom collars & Teflon seals
For stock valve sizes & stock combustion chambers |
Part #HD2PK
Weld & raise intake ports
Port & polish
Install & size guides
Valve job with blend
With or without dual plugs Assembled with high flow valves, .495 lift performance springs, retainers, BC's custom bottom collars & Teflon seals
For stock valve sizes & stock combustion chambers |
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