336-694-3059

Call to order 608-842-0680

Availability: Built to order

$1495

YFZ 491 STEALTH Specifications:
Fits 2004-2008 YFZ 450

Product Description

Bore: Yes (97mm)

Stroke: Yes (Hot Rods +3)

Actual Displacement = 490.68cc

Engine Modifications Included:

Your OEM Cylinder bored and plated with Ceramic Nickel Bore coating

Fuel Required: 91 – 110 octane – Options Available

CP, JE, or Wiseco Piston kit

Hot Rods +3 stroker crankshaft

Top end gaskets

Bottom end gasket and seal kit.

Head: No modification required

Crankcase: No modification required

Notes: This kit is a real diamond in the rough. The first time we hit the track with this kit it really got our attention. It revs out super fast and pulls like a much bigger engine than what it is. It uses a +3mm Hot Rods crankshaft and a Max Power Ceramic Nickel Bore plated OEM 97mm cylinder.  We also provide a full bottom end gasket and seal kit. It is basically a total rebuild kit less main bearings (and we can get you those also for a bit more) It comes in multiple compression ratios and uses either a CP or Wiesco piston – Your choice. If you got a tired YFZ, limited funds, and some mechnical skill, this kit is a pretty sweet deal that really does the trick.

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