CYLINDER WORKS

Cylinder Works - 21003-K01 - Cylinder Big Bore Kit

$786.56
MSRP $873.95
(You save $87.39 )
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MPN:
21003-K01
Condition:
New
Weight:
4.04 LBS
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Cylinder Works - 21003-K01 - Cylinder Big Bore Kit

Description

Introducing our Cylinder Kit - the ultimate upgrade for your off-road 4-cycle engine! Our ready-to-install direct bolt-on cylinders require no re-plating and feature a Nickel Silicon Carbide coating for exceptional durability and longevity. Matched with Vertex pistons, our cylinder kits ensure top-notch performance, reduced engine noise, and long-lasting reliability. The kit comes complete with gaskets, cylinder, piston, rings, pin, and clips. Plus, with a big bore design, there's no need for any machine work. Made in the USA, this kit offers a hassle-free upgrade that will look virtually identical to your OEM cylinders. With a 12.5:1 compression ratio, a 98.00 mm cylinder diameter, and a 478 cc displacement, our Cylinder Kit is the perfect choice for any serious off-road rider.

Features

  • Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders
  • Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise
  • Nickel Silicon Carbide plated for long life
  • Kits come complete with gaskets, cylinder, piston, rings, pin and clips
  • Big bore cylinders do not require machine work
  • Made in the U.S.A.

  • Specs

    • Compression Ratio: 12.5:1
    • Cylinder Bore Coating: Nickel-Silicon Carbide
    • Cylinder Diameter: 98,00 mm / 98.00 mm
    • Overbore: +3.00 mm
    • Riding Style: Off-Road
    • Units: Kit
    • Engine Type: 4-Cycle
    • Product Name: Cylinder Kit
    • Style: Big Bore
    • Displacement: 478 cc

    Frequently Asked Questions - Cylinder Works - 21003-K01 - Cylinder Big Bore Kit

    How do I know if this part fits my vehicle?

    Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.

    What does it mean if a product is listed as universal fit?

    Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.

    Where can I find installation instructions for this product?

    General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.

    What if I have more questions about this product?

    Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.