MerCruiser 43-55778A3 120hp 140hp Upper Pre/R/MR/Alpha One 1.98 Gearset Gearcase Grab Handles 8L 175hp V6

8L 175hp V6

White Paint (1978-1983 but still the same as the silver paint ones)

Dyna Float Upper Cover (Small) 25155

Clamp Bracket assy: 1427-1081A1

3LX 400 440 454 460hp 496 5

MerCruiser 43-55778A3 120hp 140hp Upper Pre/R/MR/Alpha One 1.98 Gearset Gearcase Grab Handles 8L 175hp V6Item Details All 120hp 2. 5L & 140hp 3. 0L 4cyl applications for Pre Alpha R MR ALPHA ONE Gen 1, so 1970 1990 as a general rule. (You may need to replace the bearing on top of the shaft depending on whether you have a 1970 1982 vs 1982 & Up application as they each used different bearing sizes) (Actually these were also used on Gen II drives 1991 1997) The gear set here is MerCruiser 43 55766 43 55778 > 43 55778A3 (Also Equivalent to 43 55766A2 43