SpitFire X7
4-Blade Stainless Steel Propeller



With the SpitFire X7 propeller, the impossible becomes reality, propelling your 40-60HP Command Thrust or 75-115HP outboard-powered boats to unprecedented levels. The small diameter generates unmatched acceleration while aggressive cup and rake produce exceptional top speeds to maximize your boat’s performance.
- Hub kit is sold separately. Please see the fitment information provided to select the correct hub kit for your application.
- Enabled with 4-hole Performance Vent System (PVS) to allow optimal hole-shot customization.
Mercury Marine offers a 1-year limited warranty on all Mercury propellers. To determine warranty requirements for a specific item, please contact the manufacturer or contact us for assistance. Please note warranty processing may take 2-4 weeks and will be subject to Mercury Marine's policies and discretion. Mercury warranty does not cover defects determined to be caused by normal wear or due to customer negligence.
Call us at (920) 788-0220 during our standard business hours to talk to an expert. Or send us a message (average reply time 2h).
Description
Mercury SpitFire X7 Propeller
With the SpitFire X7 propeller, the impossible becomes reality, propelling your 40-60HP Command Thrust or 75-115HP outboard-powered boats to unprecedented levels. The small diameter generates unmatched acceleration while aggressive cup and rake produce exceptional top speeds to maximize your boat’s performance.
- Hub kit is sold separately. Please see the fitment information provided to select the correct hub kit for your application.
- Enabled with 4-hole Performance Vent System (PVS) to allow optimal hole-shot customization.
Mercury SpitFire X7 Propeller
Crafted from Mercury’s exclusive X7 stainless steel alloy, the SpitFire X7 is 30 % stronger and up to four times more durable than conventional stainless steel, ensuring exceptional resistance to bending, denting, and corrosion.
Mercury Flo-Torq Hub Kit (sold separately). Please see the fitment information below to determine which hub kit is needed for your application.
Through hub exhaust with Mercury's Performance Vent System (PVS).
- 14 x 13"
- 13.5 x 15"
- 13 x 17"
- 12.7 x 19"
- 12.7 x 21"
I installed the SpitFire X7 on my 75HP outboard, and the boost in performance is incredible! Superb handling and hole-shot.

I installed the SpitFire X7 on my aluminum fishing boat with a 60HP Command Thrust motor, and I'm blown away by the top speed. Thank you!

I swapped my old prop for the SpitFire X7 on my 115HP outboard, and the change is incredible. The acceleration, handling, and hole-shot have transformed my boating experience.

Ignite your ride.
Unlock blistering hole-shot acceleration and razor-sharp handling with the Mercury SpitFire X7, crafted from Mercury’s proprietary X7 stainless-steel alloy that’s 30 % stronger and four times more durable than conventional steel—so your 75–115 hp outboard rockets to plane in record time and holds top-end speed under load. Its small-diameter, four-blade design features aggressive rake and cupped blade geometry for unwavering bite. Whether you’re chasing bass, towing skiers, or exploring new waterways, the SpitFire X7 delivers unmatched performance and durability
Plug-and-play performance.
The SpitFire X7 features Mercury’s patented Performance Vent System (PVS®), which uses interchangeable vent plugs in up to three holes to precisely control exhaust gas venting for an optimized hole shot. By swapping plugs in seconds—from fully closed to various vent sizes—boaters can dial in engine RPM for quicker planing under different loads and altitudes
Ignite your ride.
Unlock blistering hole-shot acceleration and razor-sharp handling with the Mercury SpitFire X7, crafted from Mercury’s proprietary X7 stainless-steel alloy that’s 30 % stronger and four times more durable than conventional steel—so your 75–115 hp outboard rockets to plane in record time and holds top-end speed under load. Its small-diameter, four-blade design features aggressive rake and cupped blade geometry for unwavering bite. Whether you’re chasing bass, towing skiers, or exploring new waterways, the SpitFire X7 delivers unmatched performance and durability
Plug-and-play performance.
The SpitFire X7 features Mercury’s patented Performance Vent System (PVS®), which uses interchangeable vent plugs in up to three holes to precisely control exhaust gas venting for an optimized hole shot. By swapping plugs in seconds—from fully closed to various vent sizes—boaters can dial in engine RPM for quicker planing under different loads and altitudes
Mercury SpitFire X7 Propeller Review
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