Description
Turning Point Mach4 14"x21" 4-Blade LH Prop | Boat Supply Store
For boaters demanding aggressive acceleration and precise handling, this 4-blade, left-hand rotation propeller is engineered with a revolutionary Dual Geometry blade design. The 14" diameter and 21" pitch configuration, crafted from industry-leading TP17™ stainless steel, delivers superior stern lift and load-carrying capacity without compromising top-end velocity, ideal for watersports applications and heavy-duty bay boats operating in the diverse conditions of the Gulf Coast.
Key Features
- Exceptional Hole Shot: Revolutionary Dual Geometry blade design significantly improves acceleration.
- Superior Handling: Enhanced cornering ability for precise boat control.
- Maximized Stern Lift: Optimizes buoyancy for improved planing performance.
- Increased Load Capacity: Maintains performance with heavier loads onboard.
- Industry-Leading Durability: TP17™ proprietary stainless steel construction offers unparalleled strength and corrosion resistance.
- Extended Top-End Speed: Performance tuning balances acceleration with higher cruising velocities.
- Optimized Exhaust Flow: Large Free Flowing Exhaust Ports enhance engine efficiency.
- Left-Hand Rotation: Specifically designed for counter-rotating applications.
Specifications
| Product Specifications | |
|---|---|
| Rotation | Left Hand |
| Blade Count | 4-Blade |
| Diameter | 14" |
| Pitch | 21" |
| Material | TP17™ Stainless Steel |
| Model | Express Mach4™ |
| Part Number | EX-1421-4L |
Who This Is For
Boaters seeking to significantly enhance acceleration, cornering performance, and stern lift on their sterndrive, tri-toon, or bay boat. This propeller is for those looking to replace older designs with a high-performance option that excels in carrying heavy loads.
How It Compares
| Feature | Turning Point Mach4 14"x21" 4-Blade LH Prop | Competitor |
|---|---|---|
| Blade Count | 4 | 3, 4 |
| Diameter | 14" | 14.5", 14" |
| Pitch | 21" | — |
| Material | TP17™ Stainless Steel | Stainless Steel, Stainless Steel |
| Blade Design | Dual Geometry (Hustler & Offshore) | Standard, Standard |
| Rotation | Left Hand | Right Hand, Right Hand |
Common Concerns Answered
Is a hub kit included with this propeller?
No, a specific hub kit is required for installation and must be purchased separately. Please consult the Turning Point propeller selection chart to ensure correct fitment for your engine and boat application.
Is this propeller more expensive than basic options?
The Turning Point Express Mach4™ represents a premium upgrade in performance and durability. While the initial investment may be higher than basic aluminum propellers, its advanced design and superior TP17™ stainless steel construction provide long-term value and enhanced operational capabilities.
What do customers say about this propeller's performance?
Customer sentiment is highly positive, with widespread praise for the exceptional hole shot, improved handling characteristics, and its ability to maintain top-end speed even under heavy load conditions. Many users report it as a significant performance enhancement over standard propellers.
Frequently Asked Questions
What is the primary benefit of the Turning Point Express Mach4 propeller?
The primary benefit is its revolutionary Dual Geometry blade design, which delivers exceptional hole shot and handling without sacrificing top-end speed, providing a significant performance upgrade across various operating conditions.
What type of boats is the Turning Point Express Mach4 propeller best suited for?
This propeller is best suited for watersports boats, sterndrives, tri-toons, and bay boats, particularly those seeking enhanced acceleration, improved cornering, superior stern lift, and better load-carrying capabilities.
What makes the TP17 stainless steel material superior?
TP17™ proprietary stainless steel is superior due to its 20% higher chromium content, making it 250% stronger and 5X more durable than standard stainless steel, offering exceptional resistance to corrosion and wear.
Does this propeller require a hub kit?
Yes, this propeller requires a specific hub kit for installation, which is sold separately. It is crucial to select the correct hub kit compatible with your outboard or sterndrive application.
What is the difference between the two blade geometries on this propeller?
The Dual Geometry blade design integrates features from both Hustler high-performance propellers and offshore-style propellers, optimizing for both aggressive acceleration (hole shot) and efficient cruising performance, providing a versatile solution for various boating needs.