Upgrade OEM Aluminum Boat Propeller For Mercury Outboards 40HP To 125HP, 15 Spline, Four And One Quarter Gearcase, Right Hand, 4 Blades, 13 Point 8 Inch Diameter And 13 Inch Pitch For Smooth Acceleration And Better Top Speed

Outboard Aluminum Propeller for 40-125HP, RH 4-Blade
✔️ 13.8 in dia, 13 in pitch, 15-spline, RH, 4 blades, single prop

This aluminum propeller is designed as a direct upgrade for Mercury outboards from 40 to 125 HP. It's typically used to improve acceleration and top speed for boats powered by Mercury outboards, including fishing boats, ski boats, and runabouts.

✅ Compatible with Mercury engines 40-125HP
✅ 13.8 in diameter, 13 in pitch, 15-spline shaft
✅ Right-hand rotation (RH) for common marine setups
✅ Aluminum construction offers strength and corrosion resistance
✅ 4-blade upgrade improves hole-shot and handling under load

💡 What is a good long-tail keyword question about Mercury outboard propellers and aluminum upgrades for performance?

This handy guide explains why a rugged aluminum 4-blade prop is a solid choice for many boats. - mercury outboard propeller 40-125hp upgrade aluminum 4 blade - improves holeshot and acceleration with balanced blades - durable aluminum resists corrosion in saltwater environments - precise 13.8 in diameter and 13 in pitch matter for performance