LONG OBSOLETE. nearly all were ported for blower use. under no circumstances consider using them until you have them flowed. blower heads will turn an otherwise potential terror into a pig


Castinng Numbers
heads
2468016 1964 426 (Cast K) Hemi
2488596 1964 426 (Early Production or Prototype Race) Hemi Note - Square Valve Covers
2531110 -M 1965 426 (Alum "Alcoa") (direct connection Hemi heads)
2531110 -M2 new Edelbrock MP Hemi heads
2531695 1965 426 (Alum "Alcoa" Rev B)
2531718 426 (A-148) Hemi
2780559 1966-1971 426 (Cast Iron) Hemi
2945270 426 (Cast Iron D3) Hemi
3512015X 426 (D4) Hemi
3614433 426 (Aluminum) Hemi
Intake
2468045 1964 426 Hemi 2x4 Aluminum Cross Ram (Super Stock)
2536900 1965-1968 426 Hemi 2x4 Magnesium Cross Ram (A990)
2780543 1966-1971 426 Hemi 2x4
exhaust
2780508 426 Hemi Cast Iron (Passenger)
3418453 426 Hemi Cast Iron (Driver Side)

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