Alpha 4

Mercury Alpha 4 - 4 blade prop made from patented Mercalloy aluminum. Choose your pitch. Mercury has discontinued the production of this propeller. For a replacement to the Alpha 4 see the SpitFire X7 propeller. Spitfire comes in RH only (standard rotation)

Manufacturer part number: 834850A45 to 834855A45

Prop size * Diameter x Pitch
Rotation *

Shipping specs, pounds and inches
Weight: 10.00	Length: 17.00	Width: 8.00	Height: 16.00

MSRP: $230.24

Price: $207.57

Qty:

Recommended for Inline 4, V-6, or V-8 gas sterndrives

Fits: Alpha drives, Bravo drives and Outboards 135 hp and above

The Alpha 4 is being discontinued. Mercury recommends the 4‑blade SpitFire propeller as the aluminum option for 90 CT ‑ 150 outboards and Sterndrive applications. When transitioning to a SpitFire, increase 1" of pitch from the Alpha 4.

The Spitfire comes in RH (right hand, standard) rotation only.

Overview
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Recommended for Inline 4, V-6, or V-8 gas sterndrives

Fits: Alpha drives, Bravo drives and Outboards 135 hp and above

The Spitfire comes in RH (right hand, standard) rotation only.

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