Mercury – SpitFire Pontoon 4-Blade Aluminum Propeller | 13.8" Diameter x 11" Pitch | Right-Hand Rotation | Four Blades | Aluminum | Satin Finish | 8M8026560

Overview

Every pontoon owner knows the difference between a prop that just gets you there and one that makes every ride feel effortless. The Mercury SpitFire Pontoon 4-Blade Aluminum Propeller sits firmly in the second category. It is that perfect blend of grip, lift, and quiet confidence — the kind that lets you glide through open water or throttle up for a spirited run across the lake. From takeoff to cruising speed, this prop just feels right. You’ll feel it in the steady acceleration, the calm steering, and the sense that your boat is always working with you, not against you.

Key Features

• Diameter and Pitch: 13.8" Diameter x 11" Pitch
• Rotation: Right-Hand Rotation
• Blade Count: Four Blades
• Material: Patented Mercalloy Aluminum Alloy
• Finish: Satin Aluminum Finish
• Hub System: Includes Flo-Torq II Hub Kit (835257K1) for shock protection and easy installation
• Design Details: Aggressive blade geometry for improved lift, speed, and acceleration on pontoon hulls

Engine & Boat Compatibility

• Designed for pontoon boats powered by:
  • Mercury and Mariner 40–60 HP FourStroke BigFoot/Command Thrust outboards
  • Mercury 75–125 HP TwoStroke and FourStroke outboards (1978 and newer)
• Ideal for pontoons and tritoons where smooth handling, acceleration, and lift matter most
• Suitable for both freshwater and light saltwater use

Performance Benefits

The SpitFire Pontoon propeller transforms how your boat feels under throttle. Its four-blade design grips the water tighter than a traditional three-blade, giving you immediate lift and control without the lag. Acceleration feels crisp and predictable — you will hit plane faster, even with a full crew and gear on board. Once you’re cruising, it’s all about balance. The prop keeps your ride steady and smooth, reducing that bounce you sometimes feel with lighter props.

Steering feels lighter too. Turns come with more control and less slip, so docking or tight maneuvering feels natural instead of stressful. It’s a prop built for real-life boating — strong, forgiving, and responsive enough to make every outing smoother and more enjoyable. And thanks to Mercury’s Mercalloy construction, it’s tough enough to shrug off small bumps and impacts while maintaining long-term performance. You’ll spend less time worrying about maintenance and more time enjoying the open water.

Why This Prop Is a Strong Choice vs. Alternatives

• Tuned for Pontoon Handling: Specifically designed to maximize lift, stability, and acceleration on pontoon and tritoon hulls.
• Faster Acceleration: Up to 25% quicker hole shot compared to most three-blade props.
• Smoother Cruising: Four-blade geometry ensures consistent grip and reduced vibration.
• Durable Alloy Build: Mercalloy aluminum balances strength and flexibility to withstand minor impacts.
• Hub Protection: Flo-Torq II Hub Kit absorbs shock from small underwater strikes to protect your drivetrain.

FAQ Section

Q1: Which Mercury engines does the SpitFire Pontoon 4-Blade Propeller fit?

It’s made for Mercury and Mariner 40–60 HP FourStroke BigFoot/Command Thrust outboards and 75–125 HP TwoStroke and FourStroke outboards built from 1978 onward.

Q2: What makes this propeller different from other Mercury options?

This model is optimized for pontoon boats. Its four-blade geometry delivers stronger lift, quicker acceleration, and steadier cruising compared to traditional three-blade designs.

Q3: How do I know if this pitch or size is right for my boat?

If your pontoon uses a Mercury engine in the 40–125 HP range and you’re looking for better handling and smoother performance, the 13.8" x 11" pitch setup is a perfect fit.

Q4: Can this prop be used in both saltwater and freshwater?

Yes. The Mercalloy aluminum is corrosion-resistant and performs reliably in either environment, though it’s best to rinse after saltwater use.

Q5: What hub system does it use?

It comes equipped with Mercury’s Flo-Torq II Hub Kit, which cushions the drivetrain from impact and allows for easy prop replacement when needed.