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MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port

MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port
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MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port MerCruiser Chevrolet GM 336781 BBC Cylinder Head Assembly V8 454 7.4L Oval Port
$ 375.00
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Part Number(s) Included

  • GM 336781 Cylinder Head Assembly
    • (Tapered Spark Plug holes / Large Oval Intake Ports / Heat Crossover) - should be similar to the 049 & 186 cylinder heads)
  • (73-90 Mark IV / 10-Bolt Timing Cover / 2-Piece Rear Main Seal / Flat Tappet Engine with 2-bolt or 4-bolt main blocks with 289 casting number)

Compatibility

  • Generally, the best practice is to just match your existing casting numbers.

Other Information

  • Overall good condition, visually inspected, checked for cracks (magnaflux) but may need to be gone through before installation (adjusting valves)
  • Freshwater used parts

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