Direct replacement water cooled exhaust manifold (port side).
Replaces MerCruiser 77234A7, Osco 7234B, Mallory 9-40503, HGE 7234 and Sierra 18-1950-1.
Fits MerCruiser V8 198, 228, 255, 260 and 898, inboard and stern drive units (log style direct replacement).
Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.'s are achieved after replacing an OEM manifold with Barr replacement parts.
Replaces MerCruiser part # B-77234A2.
Includes all plugs, gaskets and mounting hardware to the cylinder head.
3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).
Compatible parts:
MC-1-77235 direct replacement water cooled exhaust manifold (starboard side).
MC-20-60426 direct replacement exhaust elbow riser (utilizes a stainless steel sleeve at the water/air mixing area).
MC-20-76351 direct replacement exhaust elbow riser.
MC-20-76771 direct replacement exhaust elbow riser.
MC-20-61851A2 manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs.
1-60252 direct replacement exhaust manifold end cap/connector.
MC-20-55730 stainless steel fresh water cooling block off plate for use with MerCruiser riser #'s 60426, 76351 and 76771. Requires (2) gaskets part # MC47-27-52076.
MC-20-60207 stainless steel block off plate (with vent hole) for use with MerCruiser riser #'s 60426, 76351 and 76771. Requires (2) gaskets part # MC47-2752076.
MC-20-60426P exhaust riser elbow mounting package. For use with both MC-2060426 and MC-20-76351 risers.
