177 Fulford Dr.
Harkers Island, NC 28531
(252) 504-3355
Check Your Order Status
(Tracking Information)

Shopping Cart  [more]


Cylinder Head Marine for GM 5.7L 350 cid 12 Bolt Intake V8 Remanufactured H6023A

  • Part #: EFMH6023A


Please Choose:

Casting Number (required)

Add to Cart:

Includes valves and springs. Rocker arm not included.
Remanufactured Cylinder Head for GM 5.7L 350 cid non-Vortec V8 with a 12-bolt intake (260 HP)
Tall Valve Cover Rail, non-Vortec head. Valve cover bolts down center, 1.940 intake valves, tapered intake ports, 6 intake bolts.
Head Kits Include:
  • High quality seals
  • Bake cleaned and shot blasted
  • 3-angled cut on valve seats
  • 100% mag inspected
  • Vacuum tested for perfect seal
  • Decks milled and surface checked
  • First Mate exclusive: final oil pressure bench-mark tested (on OHC Heads)
  • 100% Pressure Tested

  • No core return necessary

    Note: Remanufactured Cylinder Heads are ordered directly from First Mate. There may be a 7-10 day delay while these heads are manufactured
    Cylinder Heads have an additional $30 shipping & handling charge.

    Credit Card or PayPal may not be used to pay for re-manufactured cylinder heads

    First  Mate  Marine  Engines
    First Mate Marine Cylinder Heads are cleaned and remanufactured to perform like new. Their quali

    Copyright © 2021 Basic Power Industries.