TRX400EX Valve Kits

TRX400EX Valve Kits

Filter

    Restore Power and Reliability with TRX400EX Valve Kits
    Keep your Honda TRX400EX running strong with our complete selection of high-quality valve kits. Designed for long-lasting performance and a perfect fit, these kits include intake and exhaust valves, valve springs, seals, and retainers—everything you need for a full top-end refresh. Whether you're rebuilding after years of riding or upgrading for improved flow and throttle response, our valve kits deliver reliable compression and smooth engine operation. Trusted by weekend warriors and racers alike, these kits help bring your 400EX back to peak performance.

    400EX 400X Head Rebuild Valves Intake Exhaust Valve Springs Rocker Arms Rebuild Kit
    $183.00
    TRX 400EX 400X Kibblewhite Valve Springs Guides Complete Valves Head Rebuild Kit
    $387.00
    TRX 400EX 400X Cylinder Head Valve Cover Complete Rebuild Kit Valves Rocker Arms
    TRX 400EX 400X Cylinder Head Valve Cover Complete Rebuild Kit Valves Rocker Arms
    $632.00
    TRX400EX TRX 400EX Stage 1 Hotcam Hot Cam Valves Springs Chain Head Rebuild Kit
    TRX400EX TRX 400EX Stage 1 Hotcam Hot Cam Valves Springs Chain Head Rebuild Kit
    $562.00
    TRX400EX TRX 400EX Stage 1 Hotcam Hot Cam Valves Springs Chain Head Rebuild Kit
    $443.00
    TRX 400EX 400 400X Kibblewhite +1 Valves Springs Complete Valve Head Rebuild Kit
    TRX 400EX 400 400X Kibblewhite +1 Valves Springs Complete Valve Head Rebuild Kit
    $555.00
    TRX400EX TRX 400EX Stage 2 Hotcam Hot Cam Valves Springs Rockers Head Rebuild
    TRX400EX TRX 400EX Stage 2 Hotcam Hot Cam Valves Springs Rockers Head Rebuild
    $661.00
    Honda TRX400EX 400X Kibblewhite Valves Springs Cylinder Head Service Kit Cometic
    Honda TRX400EX 400X Kibblewhite Valves Springs Cylinder Head Service Kit Cometic
    $437.00
    TRX 400EX 400X Stage 1 Hotcams Kibblewhite Valve Springs Head Rebuild Kit
    $836.00
    TRX 400EX 400X Stage 2 Hotcams Kibblewhite Valve Springs Head Rebuild Kit
    TRX 400EX 400X Stage 2 Hotcams Kibblewhite Valve Springs Head Rebuild Kit
    $836.00
    TRX400EX TRX 400EX Stage 3 Hotcams Kibblewhite Valve Spring Complete Head Rebuild
    $828.00
    Honda TRX 400EX & 400X Kibblewhite Replacement Valves, Seals & Spring Kit
    $309.00
    Honda TRX 400EX & 400X Kibblewhite Replacement Valves & Seals Kit
    $183.00