4667M08900, 1043-2, C7826, 1051-3, 12100-KCY-670, 71016-4, 13111-KCY-670,4606M08500, C7826, 71016-4, 13111-KCY-670, 12251-HN1-003, 12209-KL4-005, 12191-KCY-673, 13011-KCY-670, 90601-KA5-000, 13103-KCY-670, C7825, 808894, 4040, 4606M08700, C7826, H0402027S, 808829, M2001, 8604D200, 8604D400,OE Part Numbers 1 12100-HN1-A70, 12191-KCY-672 OE Part Numbers 2 13011-KCY-670, 13101-KCY-670 OE Part Numbers 3 13111-KCY-670, 90601-KA5-000 OE Part Numbers 4 98061-59616, 12251-HN1-003 OE Part Numbers 5 12391-KCY-671, 12100-KCY-670

TRX 400EX/400X 440 Big Bore 89mm Performance Rebuild Kit w/ Hi-Performance Camshaft Fits All Honda 400EX & XR400R Models

Give your Honda 400EX, 400X, or XR400R into a high-performance boost with our TRX 400EX/400X 440 Big Bore Rebuild Kit. This all-in-one top-end upgrade provides everything you need to unlock 440cc ofpower, reliability, and performance. With quality components that won’t break the bank, this kit is designed to fit all Honda 400EX, 400X, and XR400R models and years.

Key Features:

• Aftermarket 89mm Big BoreCylinder & 10:1 Compression Big Bore Piston Kit for enhanced horsepower and torque.
• Complete Piston Assembly including rings, wristpin, and circlips for a perfect fit and optimal performance.
• Cometic Big Bore Gasket Kit featuring a Big Bore MLS head gasket to ensure a leak-proof seal.
• High-Performance Camshaft to maximize your engines power output.
• SKF OEM-Grade Upgraded Cam Bearings for durability and smoother operation.
• Heavy-Duty Timing Cam Chain thicker and stronger than OEM/aftermarket chains for long-lasting reliability.
• New Spark Plug included to ensure a quick and efficient startup after the rebuild.

Whether you’re upgrading for off-road dominance or seeking a reliable rebuild, this kit delivers outstanding performance and longevity. Boost your Hondas power, throttle response, and durability!

Fits All Honda 400EX, 400X, and XR400R Models Any Year!
Perfect for avid racers, trail riders, and those seeking a high-performance upgrade!

This kit allows you to add significant horsepower without breaking the bank, making it an excellent choice for budget-conscious performance enthusiasts. For those aiming for premium upgrades featuring forged pistons or Hot Cams camshafts, be sure to explore our premium kits.

– The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!