Butler Built Pontiac D-Port Cast Iron Cylinder Heads, Stock (Pair)
Stock Cast Iron D-Port Head Package
- 6X(8) Heads (other numbers available)
- Milling optional / additional charge (let us know your desired compression ratio)
- Stock Port Size
- Competition 3 angle valve job done with our Serdi machine
- FULL bronze guides (not liners)
- Ferrea Stainless Steel valves
- Surfaced on all 3 sides
- Retainers & HD valve locks
- Tall dual springs
- New 5/16 guide plates
- 7/16 rocker arm studs
- HP valve seals
- Blue printed and assembled per application
Comes with Blueprint and spec sheets.
Image for display purposes only
- Item Requires Shipping
- 70.0 lbs.
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