Is the Cylinder Works Big Bore Cylinder Kit compatible with my vehicle?

This product is designed for specific fitment. VEHICLE SPECIFIC Please check the part numbers table below or contact our support team at https://cgatvandutvpartsshop.com/contact for a fitment check before ordering.

What is the warranty on this Cylinder Works product?

Cylinder Works products are backed by the manufacturer's standard limited warranty against defects in materials and workmanship. For full warranty details, visit https://cgatvandutvpartsshop.com/warranty-policy.

Do you ship internationally?

We currently ship to all 50 US states with fast fulfillment from our warehouses. For international shipping inquiries, contact us at https://cgatvandutvpartsshop.com/contact.

What is your return policy?

We accept returns within 30 days of delivery on unused, uninstalled items in original packaging. See full details at https://cgatvandutvpartsshop.com/returns.

Cylinder Works Big Bore Cylinder Kit

Genuine Cylinder Works engine component. VEHICLE SPECIFIC. In stock, ships from USA. Part of the Engine catalog at CG ATV & UTV Parts Shop.

10 in stock

Cylinder Works Big Bore Cylinder Kit

Sold by CG ATV & UTV Parts Shop — authorized distributor of Cylinder Works powersports parts in the USA.

Product Overview

Cylinder Works Big Bore Cylinder Kit

Cylinder Works Big Bore Kits are high-performance cylinder kits that increase displacement for more power while renewing factory compression ratios and cylinder health. Kits include cylinder(s), rings, gaskets and hardware required for installation – achieving essential “rebuild” tasks while enlarging overall displacement. Big Bore Kits ship with all new – not remanufactured – forged aluminum piston(s) of the same compression ratio but increased diameter over stock units. Pistons are constructed from the highest quality 2618 aluminum alloy with full molybdenum disulphite skirts. Supplied cylinder sleeves are diamond honed to the exact bore dimension and proper surface finish to ensure proper ring seal and oil retention. Cylinder Works Big Bore Cylinder Kits meet or exceed OEM quality to take worn, tired engines above and beyond factory performance levels.

Features:

Big bore kit includes piston(s), cylinder(s), rings, gaskets and hardware required for assembly
Oversized piston diameter while maintaining factory compression ratios
Replacement cylinder designed in-house by Cylinder Works
Diamond honed and nickel silicon carbide (NSC) plated cylinder wall plating for longer life
Forged 2618 aluminum pistons for all applications for superior strength and durability
Piston supplied and manufactured by Vertex (Italy)
Piston skirts treated to molybdenum disulphite coating for increased piston life, quicker break-in and reduced running noise
New, not remanufactured, cylinders and pistons
Gasket hardware supplied by Vertex and manufactured in USA
Piston profile optimized by Vertex to match compression ratio, cylinder design and ring spec for each unique application

Note: Image for reference only. Kit contents vary with application.

Key Specifications

Attribute	Detail
Brand	Cylinder Works
SKU / MPN	CGPART-0166
Category	Engine > Big Bore Kit
Condition	New
Availability	In Stock — Ships 1–3 Business Days
Price	USD $694.95

Fitment & Compatibility

VEHICLE SPECIFIC

Need help confirming fit? Our technical staff can help at our contact page.

Installation & Use

Installation complexity varies by application. For most bolt-on components, a basic socket set, torque wrench, and the vehicle’s service manual are sufficient. If you need detailed torque specs or wiring diagrams, refer to the manufacturer’s documentation or consult an authorized service center.

OEM-replacement parts should be installed following factory service intervals. Aftermarket performance parts may require additional setup, such as tuning or calibration — always verify compatibility before installation.

Browse our full Engine catalog for complementary components and upgrade packages.

Safety Standards & Compliance

All products listed on this store are sourced from authorized distributors and meet applicable SAE and ANSI standards where relevant. Electrical components comply with UL requirements for powersports applications. Brake components sold here meet or exceed OEM friction specifications as independently verified by the manufacturer.

For regulatory standards governing off-road vehicle components, refer to the SAE International standards library and the U.S. Consumer Product Safety Commission.

About Cylinder Works

Cylinder Works is a recognized name in the powersports industry, with a product line engineered for ATV and UTV riders who demand performance and durability. Their manufacturing processes prioritize tight tolerances, quality materials, and field-tested designs. As an authorized Cylinder Works retailer, CG ATV & UTV Parts Shop offers genuine products with full warranty coverage.

Related Categories

Frequently Asked Questions

Is the Cylinder Works Big Bore Cylinder Kit compatible with my vehicle?

This product is designed for specific fitment. VEHICLE SPECIFIC Please check the part numbers table below or contact our support team at https://cgatvandutvpartsshop.com/contact for a fitment check before ordering.
What is the warranty on this Cylinder Works product?

Cylinder Works products are backed by the manufacturer’s standard limited warranty against defects in materials and workmanship. For full warranty details, visit https://cgatvandutvpartsshop.com/warranty-policy.
Do you ship internationally?

We currently ship to all 50 US states with fast fulfillment from our warehouses. For international shipping inquiries, contact us at https://cgatvandutvpartsshop.com/contact.
What is your return policy?

We accept returns within 30 days of delivery on unused, uninstalled items in original packaging. See full details at https://cgatvandutvpartsshop.com/returns.

MAECENAS IACULIS

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Premium Power Sports Distribution Network

Operating a high-performance trail machine demanding challenging off-road conditions requires complete structural component trust. At CG ATV & UTV Parts Shop, we serve as an authorized US distribution node carrying an expansive engineering repository of genuine replacements and aftermarket upgrades tailored for cross-country riders.

High-Velocity Restoration Hardware

Our warehouse logistics pipelines track component variations matching rigorous vehicle profiles. Riders overhauling steering system geometries can access heavy duty control A-arms & alignment linkages designed to absorb brutal landings. For optimal ride tuning, explore our targeted chassis lift kits or switch standard parts for high-clearance shock absorbers built to maximize operational stability.

Fulfillment handling spans critical maintenance groups. Keep field traction optimized using aggressive-ply all-terrain tires and wheels built to survive sharp trail debris, or upgrade service overhaul setups with specialized sintered brake pads and premium high-flow oil filters to safeguard internal engine layouts.

We streamline off-road hardware access across all 50 states, ensuring out-of-box compatibility via exact diagnostic matching. Every component variant maps back to official structural documentation, letting builders verify vehicle tolerances prior to running remote terrain tracks.

Performance Modifications & Comfort Utilities

Unlocking top-tier torque response on the trail starts with structural exhaust tuning. Our performance catalog houses high-flow exhaust manifolds along with lightweight stainless steel exhaust systems designed to keep internal thermal parameters in check during extended open-throttle sessions.

For ultimate protective enclosures, verify our field accessories division. We ship impact-resistant polycarbonate front windshields and weather-sealed hard roofs alongside extreme-capacity power winches to handle heavy recovery missions. Complete your vehicle build with waterproof LED light bars and high-output bluetooth audio sound bars for superior presence and utility on your next adventure.

Cylinder Works Big Bore Cylinder Kit

Cylinder Works Big Bore Cylinder Kit