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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!
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!

TRX400EX TRX 400EX 89mm 440cc Big Bore Race Gas Hi-Comp 12.5 Piston Top End Kit

by BPRATV
Save 15% Save 15%
Original price $528.09
Original price $528.09 - Original price $528.09
Original price $528.09
Current price $448.88
$448.88 - $448.88
Current price $448.88

4667M08900, 8604D400, 247612, M2033, 1043-2, M2008, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 30-33750, 13011-KCY-670, 90601-KA5-000, 13103-KCY-670, 13111-KCY-670, 12251-HN1-003, 12209-KL4-005, C7825, 808894, 822278, 4040, 4606M08700, C7826, H0402027S, 4606M08800, 4667M08900, 808829, M2033, 8604DA, 192258099805

Transform Your Ride with the TRX400EX Big Bore Race Kit – 440cc Power Upgrade!

Unlock the full potential of your Honda TRX 400EX, 400X, or XR400R with our premium TRX400EX 440 Big Bore Race Gas Hi Comp Kit! Engineered for performance enthusiasts, this top-end kit combines cutting-edge technology with unmatched reliability to elevate your riding experience.

Key Features:

  • 89mm Big Bore Upgrade: Experience exhilarating power with the new BPRATV 89mm big bore cylinder designed specifically for racing.
  • 12.5:1 Compression Ratio: Pair your ride with a high-performance Wiseco or JE forged piston kit*, optimized for race gas to deliver impressive torque and speed.
  • Durable Construction: The kit includes nitride-coated high-temperature piston rings and a chrome wristpin, ensuring durability even under intense racing conditions.
  • Lifetime Warranty: Enjoy peace of mind with our Talon TITANIUM cylinder head stud kit, built to last and backed by a lifetime warranty.
  • Cometic Gasket Kit: Cometic top end gasket kit includes an MLS big bore head gasket, ensuring a perfect seal for peak performance.
  • Enhanced Timing: The heavy-duty timing chain conversion cam chain guarantees smooth operation and precise timing, essential for high-performance racing.
  • Easy Installation: Designed for a hassle-free upgrade with no need for case or head modifications—get racing sooner!

Ideal For: Serious racers and off-road enthusiasts looking to enhance the power, reliability, and performance of their Honda TRX 400EX series.

Take the plunge into high-performance racing with the TRX400EX 440 Big Bore Race Gas Hi Comp Kit and dominate the trails with confidence. Upgrade today and feel the difference!

Note: Piston requires race gas only.

BPRATV - The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!
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Pickup available at 1538 Howard Access Road

Usually ready in 24 hours

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