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have an older tower housing made for 55-H drive shaft length was ran in the 1960's 70's and early 80's
set up so you can bolt your merc 55-H right to the bottom is in greatr shape thought about cutting it and welding plate on it to match my brinkman towers
top bolt pattern is for mark 55 not mark 58 or merc 500
also have an older 4 port cover 55-H ported block, great for a mod hydro can be used in the NBRA D hydro, is 30 over decent bore needs some cleaning up , and your internals and exhaust system
however now its for sale block only 55-H porting legal for mod or NBRA also has deep intake port covers taken from the old b class will post pictures soon
email or message me if interested thanks
Randy 23-H
set up so you can bolt your merc 55-H right to the bottom is in greatr shape thought about cutting it and welding plate on it to match my brinkman towers
top bolt pattern is for mark 55 not mark 58 or merc 500
also have an older 4 port cover 55-H ported block, great for a mod hydro can be used in the NBRA D hydro, is 30 over decent bore needs some cleaning up , and your internals and exhaust system
however now its for sale block only 55-H porting legal for mod or NBRA also has deep intake port covers taken from the old b class will post pictures soon
email or message me if interested thanks
Randy 23-H
