Big Bore Cylinder Top End Kit for Honda TRX 420 Rancher (2007–2020)
Big Bore Cylinder Top End Kit for Honda TRX 420 Rancher (2007–2020)
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Fits Models:
Honda TRX 420 Rancher
Model Years:
2007–2020
Submodels:
Standard, EPS, FM, 4x4, and 2WD
Engine Options:
420cc, four-stroke, single-cylinder
Description:
The Big Bore Cylinder Top End Kit for Honda TRX 420 Rancher is designed to enhance the performance of your ATV. This OEM-style upgrade increases displacement and power output, providing a significant boost in torque and acceleration. The kit includes a high-quality cylinder, piston, and gaskets, ensuring a direct fit for hassle-free installation.
Features:
- Increased displacement for improved power
- High-strength materials for durability
- Direct fit replacement, compatible with OEM specifications
- Enhanced performance for both recreational and work applications
- Easy installation with all necessary components included
Elevate your riding experience with this performance-driven top end kit tailored for Honda TRX 420 Rancher models.

Delivered in 5–15 business days