GM 12558059 Vortec Cylinder Head Pair V8 5.0L 305 Chevy MerCruiser 938-802556 Gimbal Parts May work between 1987- 1997

May work between 1987- 1997

please check with your parts manual or ask me to confirm compatibility

The gear set here is 43-75325A3 (Sierra equivalent 18-2204)

This would have been found on some early (1960's) 6cyl Mercury applications  700 6cyl 70hp

Used only on Later model MerCruiser 470 / 165hp / 180hp / 190hp / 3

GM 12558059 Vortec Cylinder Head Pair V8 5.0L 305 Chevy MerCruiser 938-802556 Gimbal Parts May work between 1987- 1997Parts Included OMC Cobra Volvo Penta 3857663 MerCruiser 938 802556 > 938 802566T > 938 8M0087884 GM Part Number 12558059 Compatibility Generally the best practice is to just match your existing casting numbers. Found on MerCruiser OMC GM Chevy V8 305cid 5. 0L 5. 0LX Models 1996 2012 Used with the standard 1 piece Rear Main Seal engines. Center Bolt Valve Covers VORTEC Head 8 Bolt Intake Manifold Other Information Overall good condition Cleaned &