0
£0.00
Phone0800 689 1957 Email[email protected]
Motocross Parts UK
0
£0.00

Big Bore Cylinder Kit

Big Bore Cylinder Kit (+2mm) YZF450 2020-2022 / WRF450 2021-2023 CW21014K01

More cc, more torque - the single biggest power upgrade for your bike.

Big Bore Cylinder Kit (+2mm) YZF450 2020-2022 / WRF450 2021-2023 CW21014K01 Best Seller
Actual Verified Photo Verified: actual photo of product
Brand
CYLINDER WORKS
Part No:
CW21014K01
Delivery:
1-2 working days
Delivery info
UK based Free deliveryOn orders over £50
£618.80(£515.67 ex VAT)

Key benefits of fitting this part

Real power increase Increases displacement for a genuine, noticeable jump in torque and top-end power.
Bolts onto stock cases Bolts onto your existing crank cases, so there's no need for a full engine swap.
Most popular power mod The upgrade most riders reach for first when they want more from their bike.
Brand
CYLINDER WORKS
Part No:
CW21014K01
Delivery:
1-2 working days
Delivery info
UK based Free deliveryOn orders over £50

Product description

Cylinder Works Big Bore Cylinder Kit

Fits: WR 450 F (21-23); YZ 450 F (20-22); YZ 450 FX (21-23)

  • Uses Vertex #24461
  • Compression Ratio:  13.0:1
  • Cylinder Diameter:  99 mm
  • Cylinder Kit Type:  Big Bore
  • Displacement:  470 cc
  • Engine Type:  4-Cycle

Includes:  Cylinder, Piston Kit, and Top-End Gasket Kit
Size Over Standard:  +2.00mm

Related products

Piston Kit
VERTEX
Piston Kit
Our price £154.71
2-3 working days

Uses the product's default options

What our riders say

First time buyer

First time using this site.  Loved how easy it was to find part.  Needed more info so rang up and the chap couldn't have been more helpful.  Would definitely recommend and will be back for more bits soon.

Matthew Perigo

Fantastic customer service!

Bought a camshaft stage 2. Quick delivery - great price and included free delivery. Drop in replacement cam. Can't fault it!

Colin Smith

Hot Rods Crankshaft

Crank arrived for my CR125R. Great quality from Hot Rods - bike back up and running in no time! Cheers Motocross Parts!

Danny Evans

Yamaha YZ250 parts

Ordered a Top End Rebuild for my Yam 250cc.

Good quality Vertex Kit arrived with free spark plug - and a free bottle opener! Nice touch. 100% recommend.

Brian Macdonald

Super easy!

Really easy to find parts... ordered and arrived before the weekend ready for racing. Great prices and great service :-)

Michael Evans

Needed help!

Spoke to customer services who advised on the parts for my sons bike.

Recommend and will be using again!

Paul Adams

Super Fast Delivery

Ordered a bottom end rebuild kit on Thursday and it arrived Friday morning. Great service! Thanks guys

Mr Carl Stewart
Trustpilot

Stop overpaying for parts that do the exact same job.

Select your bike and see every part built for it — race-grade quality, guaranteed fit, dealer prices left behind.

Find my parts

Our website uses cookies for essential functionality, to remember your choices and to analyse anonymous visitor statistics. For further information, please see our privacy policy.

Looks like you're in
United Kingdom

Please confirm your location so we can show you the correct delivery options and prices.