Head Bolt Set for Mercruiser 224 3.7L 4 Cyl 170 165 470 485 190 Engines

  • Part #: QSTHB370N

$79.95

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Complete Head Bolt Set for Mercruiser 224 CID 3.7L Marine Engines. This engine had many model numbers like 170 165 470 485 190.... Basically if you have a 4 Cylinder Mercruiser Engine with more than 160 factory HP then you have a 3.7 Mercruiser.
Includes 5 bolts 3/4" Head, 4-1/4" Shank with 1/2" Threads and
5 bolts 3/4" Head, 5" Shank with 1/2" Threads




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