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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!

06+ Honda TRX450R TRX 450R 520cc 100mm Cylinder Big Bore Stroker Kit Bored Cases

by BPRATV
Save 21% Save 21%
Original price $2,899.99
Original price $2,899.99 - Original price $2,899.99
Original price $2,899.99
Current price $2,298.88
$2,298.88 - $2,298.88
Current price $2,298.88

11100-HP1-600,11200-HP1-600,4170,CBK0145,M2054,4070,CBK0106,M2037,4899M09600,K047,808904,822312,A-TRX450R-06-96-CG,EC210-016,P400210100016,P400210100017,P400210400197,C3139-EST,H2458027S,12251-MEY-671,12191-HP1-601,18291-MEB-670,14560-MEN-671,14523-MAL-A00,12209-KL4-005,113011-HP1-306,13111-MEN-730,13112-MAT-000,91001-HP1-601,91002-HP1-601,91202-HP1-601,91201-MEB-671,91207-ML3-871,2209-GB4-682,90442-397-000,90488-425-000,11191-HP1-600,11352-HP1-670,11394-HP1-600,11395-HP1-600,90447-KE1-000,90751-GK1-003,91256-383-721,91302-PA9-003,91303-377-000,91305-KF0-003,91307-035-000,94109-12000,91204-HP1-601,91203-KA4-771,91203-HP1-601,91204-KF0-003,91205-MEB-671,S4F09600002B,P400210600197,P400210850197,S4F10000007B,S4F10000007B,S410210017080,S410210006222,S4F09600002A

Upgrade Your Ride: BPRATV 520cc Big Bore Stroker Kit for Honda TRX450R/ER (06+)

Unlock the full potential of your Honda TRX450R and TRX450ER with the BPRATV Complete Big Bore 520cc Stroker Kit! Designed specifically for all 2006 and newer models, this premium upgrade transforms your engine with impeccable precision and performance.

Key Features:

  • Premium OEM Quality: Includes brand-new genuine Honda OEM crankcases, meticulously machined in-house for a perfect fit with the 100mm cylinder. Experience the assurance of top-notch craftsmanship made in Japan.

  • Powerful 100mm Cylinder: Elevate your engine's performance with a robust 100mm cylinder that guarantees durability and superior racing output.

  • High-Performance Piston Kit: The CP Carrillo 13:1 forged piston kit features a race-coated piston and comes complete with rings, wristpin, and circlips to deliver unparalleled power (fuel-rated for race gas only).

  • Precision Stroker Crankshaft: Incorporate the high-quality Hot Rods +3mm stroker crankshaft with connecting rod for enhanced torque and acceleration.

  • Dependable Bearings: Equipped with heavy-duty crankshaft main bearings from leading brands like SKF, NTN, or Hot Rods ensuring longevity and reliability. You will always receive OEM quality or better bearings.

  • Comprehensive Gasket & Seal Kits: Complete gasket kit and crankcase oil seal kit crafted for a flawless engine rebuild.

  • Premium Head Gasket: Cometic MLS Big Bore Head Gasket ensures optimal sealing under pressure, suitable for high-performance applications.

  • Enhanced Cam Chain & Clutch Kit: Experience improved power transfer and performance with the BPRATV Heavy Duty Cam Chain and Talon clutch kit, featuring fibers, steels, and springs designed for durability.

  • Robust Water Pump Seal: Includes a mechanical seal and bearing for efficient coolant flow.

  • Titanium Head Stud Kit: The BPRATV Talon Titanium Cylinder Head Stud Kit is essential for high-performance setups, ensuring strength where it matters most.

Guaranteed Satisfaction: Enjoy peace of mind with the original manufacturer's warranty, supporting your investment in power and performance.

Transform your TRX450R into a powerhouse with the BPRATV 520cc Big Bore Stroker Kit—engineered for those who refuse to compromise on performance. Get yours today and dominate the trails like never before!

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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