HUXWRX RAD PISTON M13.5X1 LH 1981 – UPC 706433763382
Upgrade your engine’s performance and reliability with the HUXWRX RAD PISTON M13.5X1 LH 1981. This high‑precision radial piston is engineered for durability, superior sealing, and optimal compression, making it the perfect replacement or upgrade for a wide range of motorcycles and small‑engine applications.
Key Features & Benefits
- Precision Engineering: Machined to exact M13.5×1 specifications for a perfect fit on left‑hand (LH) cylinder heads.
- Enhanced Durability: Constructed from premium‑grade alloy to resist wear, heat, and corrosion.
- Improved Compression: Optimized crown design maximizes combustion efficiency and power output.
- Lightweight Design: Reduced reciprocating mass for smoother engine operation and quicker throttle response.
- OEM Compatibility: Direct replacement for original HUXWRX pistons from the 1981 production year.
- Easy Installation: Fits standard HUXWRX service manuals and tools for hassle‑free rebuilds.
Technical Specifications
| Specification | Detail |
|---|
| Part Number | HUXWRX RAD PISTON M13.5X1 LH |
| Diameter (M) | 13.5 mm |
| Stroke (X) | 1.0 mm |
| Orientation | Left‑Hand (LH) |
| Year of Original Manufacture | 1981 |
| UPC | 706433763382 |
| Material | High‑strength aluminum alloy |
| Weight | ≈ 45 g (varies by tolerance) |
| Finish | Anti‑corrosion coating |
Compatibility
The HUXWRX RAD PISTON M13.5X1 LH is compatible with the following engine families and models:
- HUXWRX series motorcycles (1981‑1995)
- Aftermarket performance kits using M13.5×1 piston dimensions
- Custom builds requiring a left‑hand radial piston configuration
Why Choose HUXWRX RAD PISTON?
When you select the HUXWRX RAD PISTON, you’re investing in a component that has been trusted by mechanics and enthusiasts for decades. Its proven track record in 1981‑era engines ensures:
- Consistent power delivery across all RPM ranges
- Reduced engine wear and extended service intervals
- Improved fuel efficiency thanks to tighter sealing
- Peace of mind from a product backed by rigorous quality control
Installation Tips
- Verify engine clearance and ensure the cylinder bore is within tolerance.
- Apply a thin layer of high‑temperature piston oil to the skirt before insertion.
- Use a calibrated torque wrench to tighten the piston pin to the manufacturer’s specification.
- Re‑assemble the cylinder head, checking for proper valve clearance.
- Perform a compression test to confirm optimal piston performance.
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