Honda TRX450ER Parts & Performance Upgrades - Dune Goons

Honda TRX450ER Parts & Performance Upgrades

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    Get the most out of your Honda TRX450ER with our full lineup of performance parts, rebuild kits, and accessories. Whether you ride dunes, trails, or race tracks, we stock top-tier components from Moose Racing, Wiseco, Hotcams, CP-Carrillo, Kibblewhite, and more.

    ✅ Top end and bottom end engine rebuild kits
    ✅ Carburetor and fuel system components
    ✅ Suspension, axles, and chassis upgrades
    ✅ High-compression pistons, cams, valves, and gaskets
    ✅ Performance exhausts, filters, and clutch kits

    All parts are compatible with Honda TRX450ER model years 2006–2014 unless otherwise noted. Don’t see your year listed? Contact us and we’ll help you confirm fitment before you order.

    TRX450 Lectron Carburetor Kit – Complete with Cable & Manifold - Dune Goons
    TRX450 Lectron Carburetor Kit – Complete with Cable & Manifold - Dune Goons
    TRX450 Lectron Carburetor Kit – Complete with Cable & Manifold
    from $573.00
    Honda TRX450R/ER 480cc Athena Big Bore Cylinder Kit 100mm (06–14) - Dune Goons
    Honda TRX450R/ER 480cc Athena Big Bore Cylinder Kit 100mm (06–14)
    $1,227.95
    ProX Top End Gasket Kit – Honda TRX450R / TRX450ER (2006–2014) - Dune Goons
    ProX Top End Gasket Kit – Honda TRX450R / TRX450ER (2006–2014)
    $104.95
    Maier Hood for Honda TRX400/TRX450 - Carbon Fiber Look - Dune Goons
    Maier Hood for Honda TRX400/TRX450 - Carbon Fiber Look - Dune Goons
    Maier Hood for Honda TRX400/TRX450 - Carbon Fiber Look
    $70.95
    Cylinder Works 99mm Big Bore Kit – Honda TRX450R (06–14) - Dune Goons
    Cylinder Works 99mm Big Bore Kit – Honda TRX450R (06–14)
    $728.95
    Hot Rods OSK0001 Countershaft Seal Kit – TRX450R / TRX450ER 2004–2014 - Dune Goons
    Hot Rods OSK0001 Countershaft Seal Kit – TRX450R / TRX450ER 2004–2014
    $34.95
    Hot Rods BBK0005 Counter Balancer Bearing Kit – TRX450R / TRX450ER 2004–2014 - Dune Goons
    Hot Rods BBK0005 Counter Balancer Bearing Kit – TRX450R / TRX450ER 2004–2014
    $19.95
    Pivot Works Front Wheel Bearing Kit Honda TRX250X TRX400EX TRX400X TRX450R - Dune Goons
    Pivot Works Front Wheel Bearing Kit Honda TRX250X TRX400EX TRX400X TRX450R
    $43.89
    Pivot Works Shock Bearing Kit Honda TRX400EX TRX400X TRX450R TRX450ER - Dune Goons
    Pivot Works Shock Bearing Kit Honda TRX400EX TRX400X TRX450R TRX450ER
    $61.47
    Pivot Works Lower A - Arm Kit Honda TRX400EX TRX400X TRX450R TRX700XX - Dune Goons
    Pivot Works Lower A-Arm Kit Honda TRX400EX TRX400X TRX450R TRX700XX
    $132.88
    Honda TRX450R / TRX450ER High Compression Cylinder Kit 96mm 13.5:1 (2006–2014) - Dune Goons
    Honda TRX450R / TRX450ER High Compression Cylinder Kit 96mm 13.5:1 (2006–2014)
    $639.95
    Honda TRX450R / TRX450ER Cylinder Works Cylinder 96mm Std (2006–2014) - Dune Goons
    Honda TRX450R / TRX450ER Cylinder Works Cylinder 96mm Std (2006–2014)
    $352.95
    Honda TRX450R/ER & CRF450 Stage 2 Camshaft | Hot Cams - Dune Goons
    Honda TRX450R/ER & CRF450 Stage 2 Camshaft | Hot Cams
    $400.95
    Honda TRX450R/ER Stainless Intake Valve Conversion Kit (2006–2014) | Kibblewhite - Dune Goons
    Honda TRX450R/ER Stainless Intake Valve Conversion Kit (2006–2014) | Kibblewhite
    $185.23
    Honda TRX450R/ER Cylinder Head Kit (2006–2014) | Cylinder Works - Dune Goons
    Honda TRX450R/ER Cylinder Head Kit (2006–2014) | Cylinder Works - Dune Goons
    Honda TRX450R/ER Cylinder Head Kit (2006–2014) | Cylinder Works
    $653.95
    Cylinder Works 99mm Big Bore Kit – TRX450R / TRX450ER 500cc - Dune Goons
    Cylinder Works 99mm Big Bore Kit – TRX450R / TRX450ER 500cc
    $728.95
    Honda One - Way Starter Clutch 28125 - MEY - 671 – CRF450R/RX/X/TRX450ER - Dune Goons
    Honda One-Way Starter Clutch 28125-MEY-671 – CRF450R/RX/X/TRX450ER
    $79.99
    Honda TRX450R/ER Starter Reduction Gear 28120 - HP1 - 602 - Dune Goons
    Honda TRX450R/ER Starter Reduction Gear 28120-HP1-602
    $115.00
    TRX450ER / Outlaw 450 Carburetor Rebuild Kit | Moose Offroad - Dune Goons
    TRX450ER / Outlaw 450 Carburetor Rebuild Kit | Moose Offroad
    $78.73