336-694-3059

 

Please call to order 608-842-0680

Availability: Built on request

$2,445.00

CRF520R STEALTH Fits 2009-2016 CRF450R

Product Description

Bore: 100mm

Stroke: 66mm

Actual Displacement = 518.36cc

Included with the kit:

Modifications to your OEM Cylinder.  Machined for “Ice Cube Style” liner plated with Ceramic Nickel Bore coating

Modifications to your OEM crankshaft.  Stroked and balanced with a custom Carrillo long rod.

Spacer plate, longer cam chain.

Piston: JE Piston kit 13.5:1 (100 octane)

Necessary gaskets for install.

Notes:  Fuel mapping must be adjusted.  Depending on the head being used it may also be necessary to add a second injector or larger volume injector.  We sell a larger volume injector for $250.  Cases must be trenched to clear stroker crankshaft.  We can do this to your bare and clean cases for $150.  We can install this kit and set it up in your engine for $700 labor.  We can dyno tune your machine for $200.