KFX 522 Big Bore/Stroker – STEALTH

Please call to order 608-842-0680

Availability: In stock.



Quick Overview

KFX522 STEALTH Specifications:
Fits 2003-2008 Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Artic Cat DVX400


Choose Option:

We modify your crankshaft

Exchange crankshaft: $200.00

“Bolt on” – Crankshaft, piston, gaskets: $ 625.00

Installed and Blueprinted: $ 500.00



Product Description

Bore: Yes

Stroke: Yes

Actual Displacement = 521.15cc

Engine Modifications Included:

Cylinder: “Ice Cube style” forged aluminum sleeve plated with Ceramic Nickel Bore coating

Fuel Required: 110 Octane – This is a full-blown race engine see 490cc kit for pump fuel.

Piston:  Custom CP Piston Xtreme coated

Crankshaft: Stroked and balanced OEM crank with Falicon Knife rod.

Crankcase: Balance shaft requires modification to clear rod.


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