List of products by brand 50 Caliber Racing

Manufacturer of Pitbike and UTV parts
We manufacture a large variety of pitbike and UTV parts, big bore kits, beadlock wheels, lighting, and much much more.

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  • Model: 69-81 z50
  • 88cc stage 2 Vintage big bore kit for honda z50, ct70, atc70, trx70, sl70, xl70

    88cc stage 2 Vintage big bore kit for honda z50,...

    Price $244.99

    Vintage Stage 2 88cc Big Bore kit

    - Fits 1968-1981 honda z50, ct70, atc70, trx70, sl70, xl70
    - 20mm Carburetor
    - 52mm Piston and cylinder
    - Lightweight aluminum cylinder with steel sleeve
    - Cast in mounts on cylinder for aftermarket skid plates
    - Oversized cooling fins on cylinder for efficient heat dissipation
  • 88cc stage 1 Vintage big bore kit for honda z50, ct70, atc70, trx70, sl70, xl70

    88cc stage 1 Vintage big bore kit for honda z50,...

    Price $155.00

    Vintage Stage 1 88cc Big Bore kit (52mm bore)

    - Lightweight aluminum cylinder with steel sleeve
    - Cast in mounts on cylinder for aftermarket skid plates
    - Oversized cooling fins on cylinder for efficient heat dissipation
    - High compression 52mm piston with rings, pin, & clips (can still run pump gas)
    - Head gasket kit includes all gasket needed to install bore kit.