Honda 400EX 400X Top End Rebuild Kit 85mm Stock Bore Cylinder JE CP Piston Studs
1043-2, M2002, 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
Honda 400EX 400X Top End Rebuild Kit – 85mm Stock Bore Cylinder | CP Carrillo / JE Piston Kit | Titanium Stud Kit
Revamp Your Engine with Ultimate Performance Upgrade
Get your Honda 400EX, 400X, or XR400R back to peak performance with BPRATV's 85mm Stock Bore Cylinder Rebuild Kit. Whether you’re cruising trails or pushing limits on the track, this kit provides everything you need to restore power and durability. Featuring a forged CP Carrillo or JE piston, nitride-coated piston rings, and a Talon titanium cylinder head stud kit with a lifetime warranty, this solution ensures your ATV’s engine performs like new—or better. Designed for seamless compatibility, this bolt-on kit requires no machining and supports both pump and race gas, making it the perfect upgrade.
Kit Highlights:
BPRATV 85mm Stock Bore Cylinder: Precision-engineered with an included 1-year warranty for peace of mind.
CP Carrillo or JE Forged Pistons: Durable and performance-driven, ready for pump or race gas.*
Top End Gasket with a MLS head gasket: For the perfect seal.
Nitride-Coated Rings & Titanium Studs: For impressive wear and thermal resistance over time.
BPRATV Heavy-Duty Cam Chain Conversion: Strengthens your engine’s timing system for impressive consistency
Titanium Cylinder Head Studs: Engineered to retain strength under extreme pressure, backed by a lifetime warranty.
Unmatched Durability for Every Terrain
Your adventures demand a rebuild kit capable of enduring anything nature throws your way. Every component of this rebuild kit is built for durability and long-term reliability. From the multi-layer steel (MLS) head gasket to the BPRATV Heavy Duty cam chain conversion, this kit delivers the toughness you need to take on rugged trails, high-speed runs, or precision track maneuvers. The inclusion of chrome wristpins, NGK spark plug, and heavy-duty cam chain components means your engine stays finely tuned for the ride ahead.
Why Choose This Kit?
Fully compatible with all Honda 400EX, 400X, and XR400R models.
Bolt-on convenience: No machining required.
Backed by solid warranties for every key component.*
