Cylinder Works Standard Bore Hi-Comp Cylinder Kit 13.5:1 for Yamaha YZ450F 10-13

(2 reviews)

Item: 326155-530536

$698.66

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Cylinder Works Standard Bore Hi-Comp Cylinder Kit 13.5:1 for Yamaha YZ450F 10-13


  • Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OE 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
Specification Details
Bore 97 mm
Compression Ratio 13.5:1
Displacement 449cc

Vehicle Fitment


Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.

Yamaha
  • YZ450F 2010-2013

Customer Reviews


Cylinder Works Kits

By KEVIN C. on  Verified Purchaser

Cylinder Works is THE best cylinder kit on the market. I have installed a few of these kits and have always been happy with the quality and workmanship of these kits. I will definitely be using more kits from Cylinder Works.


Cylinder Works High Compression Kit

By Cameron B. on  Verified Purchaser

Cylinder kit came complete and as described. Very well packaged as well.


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Questions & Answers


When you use the higher compression with a standard bore, do you have to use a higher octane fuel?

By Matt

2021 Honda CRF250R

Yes, it would be recommended to use higher octane fuel to get full advantage of the high compression kit.

By Andy

Would I need to update my Cam or would stock work with this?

By Jim

Generally speaking, no - there's no need to update or replace the cam in your machine in order to install a Cylinder Works high-compression cylinder kit. These kits are carefully engineered to work with the OEM valve train on any machine you select from our fit guide. You won't have any problems fitting this kit to any machine listed in our fit guide.

By Staff

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