Mercury Marine Alpha 4 Blade Aluminum Prop Propeller 14-1/2 x 18 Pitch

Mercury/Mariner/Mercruiser 4 blade aluminum prop 14-1/2 X 18. Includes the Flo-Torq II hub kit. Designed to fit 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 an outstanding propeller for runabouts as well as daycruisers. Bolt this prop on and your boat should 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.

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

Features

• Four-blade aluminum design
• Delivers high-quality performance and acceleration in an affordable price range
• Perfect for runabouts, ski boats and day cruisers
• Delivers improved handling and better holding than a three-blade design
• For V-6 outboards and Alpha sterndrives up to 250 hp