2Bros Parts

CYLINDER KIT 04-13 YFZ450 95mm AT-09470K CX-40005K

£307.46

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Cylinder rebuild kit for YFZ450 2004-2013. Standard bore 95.00mm. Compression 11.4:1. Features a Hyperdryve racing piston. Constructed from AB4C aluminum with Nikasil plated sleeves, designed strictly to OEM specifications. Psychic cylinders offer excellent wear capabilities and are typically a simple drop-in installation requiring no case modifications. Sleeve material is Nikasil with a hardness of HV500~600 and thickness of 0.08 +/- 0.02mm. Cylinder material is JIS AC4B-T6 Aluminum with a hardness of HR65up. Includes piston (NA-40009H HYPERDRYVE) and Top End gasket set (NA-40009-BHK). Part number 56-K133.95.KIT. Cross reference ATHENA 98mm P400485100016.

Specifications
SKU
56-K133.95.KIT
Brand
Dirt Racing
Availability
In Stock (8)

Fitments (26)

MakeModelYear
YAMAHAYFZ 4502004
YAMAHAYFZ 4502005
YAMAHAYFZ 4502006
YAMAHAYFZ 4502007
YAMAHAYFZ 4502008
YAMAHAYFZ 4502009
YAMAHAYFZ 4502010
YAMAHAYFZ 4502011
YAMAHAYFZ 4502012
YAMAHAYFZ 4502013
YAMAHAYFZ 450S2004
YAMAHAYFZ 450S2005
YAMAHAYFZ 450S2006
YAMAHAYFZ 450S2007
YAMAHAYFZ 450S2008
YAMAHAYFZ 450S2009
YAMAHAYFZ 450S2010
YAMAHAYFZ 450S2011
YAMAHAYFZ S 4502004
YAMAHAYFZ S 4502005
YAMAHAYFZ S 4502006
YAMAHAYFZ S 4502007
YAMAHAYFZ S 4502008
YAMAHAYFZ S 4502009
YAMAHAYFZ S 4502010
YAMAHAYFZ S 4502011
General Product Group
Engine
General Product Type
Cylinder Kits
Variant Id
252810
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

BRONCO Cylinder Rebuild Kit for Yamaha YFZ450 (2004-2013)

Upgrade your Yamaha YFZ450's performance with this high-quality cylinder rebuild kit from BRONCO. Designed to meet or exceed OEM specifications, this kit provides a durable and reliable solution for your ATV's engine.

Key Features:

  • Standard Bore: Precisely machined to a 95.00mm standard bore for optimal fitment and performance.
  • High-Performance Piston: Includes a Hyperdryve racing piston, engineered for enhanced power and durability.
  • Superior Construction: The cylinder is cast from AB4C aluminum and features Nikasil plated sleeves for exceptional wear resistance.
  • Advanced Sleeving Technology: Utilizes Nikasil sleeves with a hardness of HV500~600 and a thickness of 0.08 +/- 0.02mm.
  • Durable Cylinder Material: The cylinder itself is made from JIS AC4B-T6 Aluminium with a hardness of HR65up.
  • Easy Installation: Most BRONCO cylinders are designed for a simple drop-in installation, typically requiring no case modifications.
  • Compression Ratio: Achieves a standard compression ratio of 11.4:1.
  • Complete Kit: Includes all necessary components for a comprehensive cylinder rebuild.

BRONCO cylinders are renowned for their excellent wear capabilities, ensuring longevity and consistent performance for your ATV.

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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

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