Crusader 454 350 7.4L V8 Bendix Carb Rochester Quadrajet Flame Arrestor B175-40 Piston Sets 4-1/2" between the the bases

4-1/2" between the the bases in the "working area"

MerCruiser 2

This is from a 1964 Evinrude Speedifour 75hp V4 Model # 75453 C

This is a very nice propeller and I don't think you'll be disappointed

Item Details & Compatibility This is the type of driveshaft used in very old & earliest models of the MerCruiser lower unit gearcases

Crusader 454 350 7.4L V8 Bendix Carb Rochester Quadrajet Flame Arrestor B175-40 Piston Sets 4-1/2" between the the basesItem Details This was off a Crusader Marine Engine 454 CDI 350Hp V8 Model # CH 350 L. H. or R. H. Not Sure the Exact Year (late 70's early 80's) L. H. Serial # 21183 R. H. Serial # 21181 (Parts came from one or the other) Block casting # 361959 73 90 Big Block 4 Bolt Mains Being a Chevy GM Block many of these parts will work with others: Mercruiser, OMC, Indmar, PleasureCraft, Volvo Penta, Velvet Drive (Please ask to check compatibility with other