Cylinder Works 97mm Big Bore Kit – TRX450R 479cc–500cc
Cylinder Works Big Bore 97mm Cylinder Kit – Honda TRX450R (479cc–500cc)
🛠️ Unleash big power gains from your Honda TRX450R with this 97mm Big Bore Cylinder Kit by Cylinder Works. A drop-in replacement for stock cylinders, this kit bumps displacement to 479cc—or a full 500cc when paired with the Hot Rods stroker crank (#0921-0048). Designed to match OEM specs with race-ready upgrades.
✅ What’s Included
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Big Bore Cylinder (97.00mm, Nickel Silicon Carbide-plated)
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Vertex Piston Kit (piston, rings, wrist pin, and circlips)
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Complete Top-End Gasket Kit
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No case machining required
📦 Fitment
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Honda TRX450R (2004–2005)
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Honda TRX450R Sportrax (2004)
🛡️ Warranty Info
Backed by Cylinder Works limited warranty for material or manufacturing defects. Warranty excludes failures due to improper installation, misuse, or competition use.
🔑 Key Features
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Increases displacement to 479cc or 500cc with stroker crank
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OEM-look aluminum cylinder with gray finish
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Nickel Silicon Carbide coating for extended durability
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10.5:1 compression ratio for reliable power boost
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Made in the USA
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Bolt-on upgrade with no machining required
📦 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
- Sneakers: 1–2 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.
