Suzuki LT-R450 06–11 100mm Big Bore 490cc Race Kit – Athena (2006-2011)
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Turn your LT-R450 into a 490cc powerhouse—perfect for dunes, MX, or drag racing. Bolt-on install with explosive mid-range torque and race-proven durability.
The Athena P400510100008 is a complete 100mm big bore race kit that takes 2006–2011 Suzuki LT-R450 QuadRacer from 450cc to 490cc (+40cc). Features nickel-carbide cylinder with larger water jackets, Factory Works porting, 13.1:1 forged piston, and hard-anodized power valves. Cylinder head not included.
What's Included
- 100mm Nickel-Carbide Cylinder – larger water jackets, Factory Works porting
- Forged Piston Kit – 13.1:1 compression, molybdenum coating, rings, pin, clips
- Hard-Anodized Power Valves – high-flow, non-OEM
- Athena Top-End Gasket Set – head/base gaskets, seals, hardware
Key Features
- 100mm big bore — +40cc (450cc → 490cc)
- Nickel-carbide plating — extreme durability, low friction
- Larger water jackets — superior cooling under race load
- Factory Works porting — max airflow, pro-tuned performance
- 13.1:1 forged piston — explosive mid-top power
- Hard-anodized power valves — faster response, longer life
- Made in Italy — race-proven precision
Fitment
- 2006–2011 Suzuki LT-R450 QuadRacer
Install Notes
- Reuses OEM cylinder head (not included)
- Bolt-on install — no machining required
- Advanced install — top-end rebuild experience recommended
- Jetting/fuel tuning required for optimal performance
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
