CYLINDER KIT 04-05 TRX450R 480, WORKS CYCLINDER 11003-K01, BIG BORE 97.00mm
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Big Bore Cylinder Kit Part Number 11003-K01 features a 97.00mm bore size, increasing engine displacement to 479cc with a 10.5:1 compression ratio. This kit achieves 500cc when paired with the Hot Rods #4160 crankshaft. Includes a high-quality Vertex #23531 piston, cylinder, rings, pin, clips, and gaskets for complete installation. Cross-reference part numbers include 12101-HP1-670, ATHENA P400210100007, S4F09700010A, P400210160005, S41316060, S41317039, 422-11003K, 0931-0133, 733706, Dec-52, HR11003K01, 77000-37, K8610D300-1ZA, TW400210100007, and P400210100007 (97mm Bore). Manufactured by Cylinder Works.
- SKU
- 56-K105.97.K.W
- Brand
- Cylinder Works
- Availability
- Out of Stock
Fitments (4)
| Make | Model | Year |
|---|---|---|
| HONDA | TRX 450R | 2004 |
| HONDA | TRX 450R | 2005 |
| HONDA | TRX R 450 | 2004 |
| HONDA | TRX R 450 | 2005 |
- General Product Group
- Engine
- General Product Type
- Cylinder Kits
- Variant Id
- 252619
FULL DESCRIPTION
Big Bore Cylinder Kit for Enhanced Performance
Upgrade your 2004-2005 Honda TRX450R Sportrax with this high-performance Big Bore Cylinder Kit. Designed to significantly boost engine power and responsiveness, this kit offers a substantial increase in displacement for a more thrilling ride.
Key Features:
- Increased Displacement: This +3mm Big Bore Kit raises the engine's displacement to 479cc, providing more power and torque.
- Optimized Compression: Features a 10.5:1 compression ratio for improved combustion efficiency and performance.
- Scalable Performance: Achieve an even greater displacement of 500cc when used in conjunction with the Hot Rods #4160 crankshaft.
- Precision Bore Size: Engineered with a 97.00mm bore for a perfect fit and optimal engine function.
- Premium Piston Included: Comes complete with a high-quality Vertex #23531 piston, ensuring durability and reliable performance.
- Complete Installation Package: This comprehensive kit includes everything needed for a full installation: cylinder, piston, rings, pin, clips, and all necessary gaskets.
Specifications:
- Bore Size: 97.00mm
- Compression Ratio: 10.5:1
- Engine Displacement: 479cc (480cc)
- Includes Vertex Piston: #23531
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.