Update: Our Privacy Policy has recently been updated on June 11, 2026.

We use cookies and similar technologies to provide a premium shopping experience. By pressing continue, you acknowledge the use of these technologies. Learn More

Primary Drive Chain and Sprocket Kit - Aluminum Rear/420 Gold MX Chain

Choose a machine

User Tip: If you're unsure of your vehicle type, you may skip the machine type selection box.

Use one of my Saved Machines
Primary Drive Chain and Sprocket Kit - Aluminum Rear/420 Gold MX Chain

    Primary Drive Chain and Sprocket Kit - Aluminum Rear/420 Gold MX Chain

    218145
    Average rating 0 out of 5 stars

    Our Price: $84.99$88.97

    View Product Details

    Select type, year, make and model above

    Details

    • Sprocket kits include the following:
    • Stock size Primary Drive steel front sprocket.
    • Stock size Primary Drive aluminum rear sprocket.
    • Stock size Primary Drive 420 Gold MX Race Chain.
    • Front sprockets are manufactured to OEM specs using high grade hardened steel.
    • Rear Aluminum Sprocket made from 7075 T-6 heat treated Aluminum.
    • Come with self-cleaning grooves.
    • All match original equipment exactly for perfect fit and size.
    • The 420 Gold Plated MX Race Chain is high quality, built for performance and durability.
    • Average tensile strength 4,950 lbs.
    • Always verify chain length currently or previously in use. Gearing adjustments may require chain length adjustments. Use Tusk Chain Breaker #1030570001 or HD Chain Breaker #1389240001.
    ⚠ WARNING: Cancer and Reproductive Harm -

    Primary Drive Chain and Sprocket Kit - Aluminum Rear/420 Gold MX Chain Reviews

    Rocky Mountain ATV/MC gift card Each review submitted enters you into a
    $100 gift card monthly drawing and a
    $500 gift card quarterly drawing!
    Rocky Mountain ATV/MC gift card Each question or answer submitted enters you into a:
    $100 gift card monthly drawing and a
    $500 gift card quarterly drawing!
    RM Cash ProgramParts Finder