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Mercruiser Upper Gearcase Pre/R/MR/Alpha One 1.98 Gearset 43-55778A3 120hp 140hp Heads Comes with Hose Clamps

Mercruiser Upper Gearcase Pre/R/MR/Alpha One 1.98 Gearset 43-55778A3 120hp 140hp Heads Comes with Hose ClampsItem 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. (Actually these were also used on Gen II drives 1991 1997) The gear set here is 43 55766 43 55778 > 43 55778A3 (Sierra equivalent 18 2205) (Also Equivalent to 43 55766A2 43 55766A3) 20 24 (tooth count) 1. 98 Ratio for 4 cylinder GM Chevy 120hp 2. 5L 153CID 140hp 3. 0L 4cyl 181CID sterndrive engines. If you have any questions

SKU: 969547337 · From elitechmx.com

4.2
USD120.00 USD168.00

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Description

Comes with Hose Clamps

Bearings 29-20046

7L 350 V8 with 4bbl carburetors engines

12-27807 Washer

120hp / 140hp / 165hp

Mercruiser Upper Gearcase Pre/R/MR/Alpha One 1.98 Gearset 43-55778A3 120hp 140hp Heads Comes with Hose ClampsItem 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. (Actually these were also used on Gen II drives 1991 1997) The gear set here is 43 55766 43 55778 > 43 55778A3 (Sierra equivalent 18 2205) (Also Equivalent to 43 55766A2 43 55766A3) 20 24 (tooth count) 1. 98 Ratio for 4 cylinder GM Chevy 120hp 2. 5L 153CID 140hp 3. 0L 4cyl 181CID sterndrive engines. If you have any questions

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