KTM SX-F 350 2013-2015 90mm 366cc BIG BORE KIT

$1,121.57
1

Big bore cylinder kit with a hand matched Vertex piston and top-end gasket kit. Increases horsepower and engine displacement. Features a new, cast aluminum nickel silicon carbide (NSC) electroplated big bore cylinder that increases horsepower. NSC provides an excellent wear resistant surface with oil retention capabilities. Cylinders are diamond honed to the exact bore dimension and proper surface finish for proper ring seal and oil retention. Vertex big bore four stroke pistons are forged from 2618 aluminum alloy for superior strength and durability. Vertex uses unique piston profiles and compression ratios in A, B, C, and D sizes to maximize power and performance while reducing blow-by and oil consumption. Each Vertex piston is hand matched to fit each Cylinder Works cylinder perfectly. The gasket kit contains all necessary gaskets to rebuild your top end, including head, base, and exhaust gaskets, as well as O-rings. Compression Ratio 13.5:1. Cylinder Diameter 90 mm. Displacement 366 cc. Engine Type 4-Cycle.

Specifications
SKU
CW.51003-K01
Brand
Cylinder Works
Availability
In Stock (1)
SKU
CW.51003-K01
Brand
Cylinder Works
Availability
In Stock (1)
Shipping OptionsShown at checkout
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Performance Big Bore Cylinder Kit

Boost your engine displacement and unlock significant horsepower gains with this premium big bore cylinder kit. Designed for riders seeking an exhilarating performance upgrade, this kit provides a reliable way to increase power output without compromising the longevity of your engine.

Key Features

  • Increased Displacement: Features a 90mm cylinder diameter to increase engine displacement to 366cc.
  • Precision Engineering: The cylinder is constructed from cast aluminum with a nickel silicon carbide (NSC) electroplated finish for exceptional wear resistance and superior oil retention.
  • Diamond Honed Finish: Cylinders are diamond honed to exact specifications to ensure optimal ring seal and consistent performance.
  • Vertex Forged Piston: Includes a high-quality, forged 2618 aluminum alloy piston designed for superior strength and durability under high-pressure conditions.
  • Hand-Matched Components: Each Vertex piston is precision-matched to its corresponding Cylinder Works cylinder to ensure a perfect fit, reduced blow-by, and lower oil consumption.
  • Complete Top-End Rebuild Kit: Comes with a comprehensive gasket kit, including head, base, and exhaust gaskets, plus all necessary O-rings required for a complete professional installation.

Technical Specifications

  • Kit Type: Big Bore
  • Cylinder Diameter: 90 mm
  • Displacement: 366 cc
  • Compression Ratio: 13.5:1
  • Engine Type: 4-Cycle

This kit offers an OEM-appearing solution that maintains a factory aesthetic while delivering a substantial increase in torque and power. Whether you are rebuilding your top end or looking for a competitive edge on the track, this kit provides the reliability and performance required for demanding riding conditions.