Vertex Top End Kit 86.46mm STD 9.9:1 – Honda TRX420 (2007-2023)
- Ships next business day
- 30-day hassle-free returns
- Call us: 541-668-7503
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✓ Fits:
- 2007-2023 Honda TRX420
✓ Features:
- New T-box forgings and DLC-coated wrist pins for increased strength under high loads
- Molybdenum Disulfide–coated skirts reduce friction and improve piston lifespan
- Gravity-cast aluminum alloy piston (not forged) with 18% silicone content for strength and light weight
- T-5 heat treatment and tempering for added hardness and durability
- Complete rebuild kit : piston, rings, wrist pin, circlips, top-end gaskets, wrist pin bearing or cam chain (where applicable)
- OEM-quality replacement rings ensure perfect sealing and performance
- Piston Diameter : 86.46mm
✓ What's Included:
- Piston, rings, wrist pin, and circlips
Ships fast from DuneGoonShop!
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.