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SHIPPING UPDATE: Due to high demand, orders are currently processing in 5-7 business days. Need it faster? Contact us to upgrade to expedited shipping! If you’ve found the item elsewhere or can’t wait, no problem—we completely understand. Just reach out to us, and we’ll cancel your order. Thanks for your patience and support! BRAPPPPPPPPPP!

04 05 TRX450R TRX 450R 94mm Cylinder Wiseco 14:1 Hi-Comp Race Piston Top End Kit

by BPRATV
Save 37% Save 37%
Original price $984.50
Original price $984.50 - Original price $984.50
Original price $984.50
Current price $619.99
$619.99 - $619.99
Current price $619.99

10003, C7877, C7877, 12101-HP1-670, 13101-HP1-670, 14110-HP1-670, M2025, 4060, CBK0097, 4848M09400, K046, 822237, 808868, M2035, 4849M09400, M2021, 221771, 811868, 91202-HP1-672, C7877-EST, H2175027S, 13011-HP1-305, 13112-HP1-670, 13090-HP1-315, IFR8H11, A-TRX450R-0405-94-CG, 14401-HP1-671, 12191-HP1-671, 91202-HP1-671, 12251-HP1-671

2004-2005 Honda TRX450R 94mm Hi-Compression Race Top End Kit – Wiseco 14:1 Piston, Nikasil Cylinder, & Gasket Set


Take your 2004-2005 Honda TRX450R Sportrax to the next level with this premium 94mm High-Compression Race Top End Kit. Built for adrenaline-driven performance, this kit delivers unbeatable power and durability, giving you the edge on the track or trails.

Key Features:

  • Aftermarket 94mm Stock Bore Nikasil Cylinder: Engineered for strength and precision to match race-level demands.
  • Wiseco 14:1 High-Compression Forged Piston: Featuring racer's choice skirt coating for enhanced durability and performance.
  • Complete Piston Kit: Includes piston ring set, wristpin, and circlips for a seamless rebuild.
  • Cometic Top End Gasket Kit: Designed with an MLS Head Gasket and Viton Valve Stem Seals to ensure a perfect seal under high compression.
  • BPRATV Upgrades: Includes the Talon Titanium Cylinder Stud Kit and Heavy-Duty OEM Replacement Timing Cam Chain for added reliability.
  • Built exclusively for 100+ octane fuel or alcohol to maximize power output.

Unleash Peak Performance:

This top-end kit is tailor-made for riders who demand maximum horsepower and throttle response from their TRX450R. With high-quality components from trusted brands like Wiseco, BPRATV, and Cometic, you can count on a powerful, long-lasting upgrade that stands up to the most extreme conditions.

🔧 Compatibility: Fits all 2004-2005 Honda TRX450R Sportrax models.

🔥 Ready to dominate? Level up your Honda TRX450R with this high-compression race-ready kit and experience the difference on your next ride.

BPRATV - The Best Parts. The Best Performance. The Best Price.
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1-year limited warranty from the manufacturer for material or workmanship defects.*

Due to the nature of high performance and racing applications, BPRATV LLC components are sold without express warranty or any implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not, under any circumstances, be liable for any specific, incidental or consequential damages, including, but not limited to, damage, or loss of property or equipment, loss of profits or revenue(s), cost of purchased or replacement goods, or claims of customers of the purpose, which may arise and/or shall result from sale, installation or use of these parts. Installation of these parts may void vehicle manufacturers warranty coverage and/or may cause the vehicle to be illegal in some locations.

This product is exempt from the emission standards and related requirements of 40 C.F.R. § 1051 as provided by 40 C.F.R. § 1051.620, and California law [e.g., vehicle code§§ 27156 and 38391]. This product is sold only for use in connection with EPA -certified, purpose-built, nonroad vehicles used solely for closed course, nonroad competition/racing and not used for any recreational purpose or on public highways or right of ways maintained by and open to the public. This product is sold only in connection with machines that do not fall under state and/or federal noise or emission standards/regulations. Purchasers who/that purchase this product represent and warrant that the product is purchased only in connection with EPA -certified, emission-regulations-exempt and noise-regulations-exempt competition/racing vehicles as interpreted under applicable state and/or federal law.

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