Mercury/Mariner/Mercruiser 4 blade aluminum prop 14-1/2″ x 18″. Includes the Flo-Torq II hub kit. Designed to suit Mercury/Mariner 135, 150, 175, 200, 225, 250 HP outboards and Mercruiser Alpha and Bravo One under 400 hp (3.0L, 4.3L, 4.3LH, 4.3L EFI, 5.0L, 5.0L EFI, 5.7L, 5.7L EFI, 350 MAG MPI). Four-blade performance at an aluminum price. The Alpha 4 is a phenomenal propeller for runabouts in addition to daycruisers. Bolt this prop on and your boat must get on plane quicker and stay on plane at a lower speed than with a comparable 3-blade propeller. Great watersports prop! For V-6 outboards and Alpha and Bravo One sterndrives. 4 blade die-cast aluminum. Durable high-gloss phantom black finish. Better acceleration and handling than 3 blade. These are all right hand rotation props. A left hand rotation for counter-rotating engines is to be had. (48 834853A45). 20″ Alpha 4 replaces 21″ three-blade prop 18″ Alpha 4 replaces 19″ three-blade prop 16″ Alpha 4 replaces 17″ three-blade prop Equipped with Flo-Torq II hub system
Four-blade aluminum design
Delivers top quality performance and acceleration in an reasonably priced price range
Absolute best for runabouts, ski boats and day cruisers
Delivers improved handling and higher holding than a three-blade design
For V-6 outboards and Alpha sterndrives as much as 250 hp
Boat Engine Parts, Boats & Equipment, Fishing, Fishing Watercraft & Trolling Motors, Propellers
Mercury Marine Alpha 4 Blade Aluminum Prop Propeller 14-1/2 x 18 Pitch
Four-blade aluminum design
Delivers high-quality performance and acceleration in an affordable price range
Perfect for runabouts, ski boats and day cruisers
Amazon.com Price: $169.17 (as of 13/04/2017 00:09 PST- Details)














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