Take your Kawasaki KFX400 to the next level with our complete 94mm big bore top end rebuild kit. Blast ahead of the pack with the massive 434cc powerplant that this kit delivers.
Reliable Bolt-On Horsepower at an Unbeatable Value
BPRATV 94mm +4mm Big Bore Nikasil Cylinder (1 Year Warranty)
Piston is compatible with both pump gas and race gas.
Cometic Top End Gasket Set with a MLS Big Bore Head Gasket for a Perfect Seal
Fits Kawasaki KFX 400 Models 2003-2006
This top-of-the-line rebuild kit is the key to unlocking the full potential of your Kawasaki KFX400. With a massive 94mm bore and 12.5:1 compression forged pistons, you'll experience a significant boost in power, torque, and throttle response. The precision-engineered Nikasil cylinder and premium Cometic gaskets ensure a bulletproof top end that will keep your machine running at its best for years to come.
Whether you're looking to conquer the trails, dominate the dunes, or simply enjoy a thrilling ride, this KFX400 rebuild kit is the perfect upgrade to take your performance to the next level. Designed for the serious off-road enthusiast, this kit will transform your Suzuki into a true powerhouse that leaves the competition in the dust.
BPRATV - The Best Parts. The Best Performance. The Best Price.
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NOTICE REGARDING PHOTOS: Product photos uséd in our listings are for example only to show the high quality of our components. You will receive the correct quantity, size, and fitment of bearings, titanium fasteners, nuts, and bolts for the specific kit listed.
BEARING NOTICE: In some cases, you may receive SEALED bearings. If your application requires an OPEN bearing, the seals can easily be removed.
EMISSIONS & RACE USE ONLY: This product is exempt from emission standards and 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]. Sold ONLY for use with EPA-certified, purpose-built, nonroad vehicles uséd solely for closed course, nonroad competition/racing. Installation may void vehicle manufacturers' warranty and/or may be illegal in some locations.
RETURNS: Returns accepted within 30 days for items 100% complete, brand new, and in original packaging. Items installed or prepped (lubricated/sealed) are ineligible. For warranty consideration, parts MUST be sent back for physical inspection. No exceptions. We do not warranty based on photos, emails, or third-party assessments.
SPECIALTY WARRANTIES:Cub Cylinders: Lifetime warranty for original owner via BPRATV/Millennium Technologies inspection; covers cylinder only. Titanium Fasteners: Failure during use results in replacement only. Neither warranty covers improper tuning, installation, maintenance, or misuse.
INTERCHANGEABLE PARTS: We may substitute parts of equal quality from different manufacturers to prevent backorder delays. Prices and listings subject to change without notice.
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