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GM 378450 MerCruiser 938-7482 Cylinder Head V8 305 5.0L Early 228 1977-1979

GM 378450 MerCruiser 938-7482 Cylinder Head V8 305 5.0L Early 228 1977-1979
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GM 378450 MerCruiser 938-7482 Cylinder Head V8 305 5.0L Early 228 1977-1979 GM 378450 MerCruiser 938-7482 Cylinder Head V8 305 5.0L Early 228 1977-1979 GM 378450 MerCruiser 938-7482 Cylinder Head V8 305 5.0L Early 228 1977-1979 GM 378450 MerCruiser 938-7482 Cylinder Head V8 305 5.0L Early 228 1977-1979 GM 378450 MerCruiser 938-7482 Cylinder Head V8 305 5.0L Early 228 1977-1979 GM 378450 MerCruiser 938-7482 Cylinder Head V8 305 5.0L Early 228 1977-1979 GM 378450 MerCruiser 938-7482 Cylinder Head V8 305 5.0L Early 228 1977-1979 GM 378450 MerCruiser 938-7482 Cylinder Head V8 305 5.0L Early 228 1977-1979
$ 200.00
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Parts Included

  • MerCruiser 938-6536 > 938-7482
  • GM Part Number 378450

Compatibility

  • Generally the best practice is to just match your existing casting numbers.
  • Found on MerCruiser / OMC GM Chevy V8 305cid 5.0L 4BBL Models >  228hp & 230hp with 4BBL Intake  Models 1977-1979 at the latest as this is an early version of the 378450 (there was a later version with larger valves)
    • Used with the standard 2-piece Rear Main Seal engines.
    • Perimeter Bolt Valve Covers
    • NON-VORTEC Head (This shouldn't need to even be mentioned here)
    • 12-Bolt Intake
    • Appears to have the 1.720" intake valves

Other Information

  • Overall good condition, May need to be gone through before installation.
  • Cleaned & Inspected for cracks
  • Freshwater used parts
  • You get the head as pictured

Purchase with confidence!

Please Contact Me if you have additional questions

1977 1978 1979 1980 1981 1982 1983 1984 1985 1986


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