RACE WINNING TECHNOLOGIES FOR 2/4 STROKE ENGINES AND BIG BORE PERFORMANCE
Home ATV / UTV-Kits Yamaha Raptor/Rhino/Grizzly 660

Raptor/Rhino/Grizzly 660

686cc Big Bore - STEALTH

720cc Big Bore/Stroker - STEALTH

Click here to see additional performance options for your Raptor/Rhino/Grizzly 660


686 Stealth Big Bore

$499 We Modify your cylinder
$574 Exchange Cylinder - Additional charge
$825 "Bolt On" - Includes Cylinder
$799 Installed and Blueprinted

 Raptor/Rhino/Grizzly 686 STEALTH Specifications:

 Fits All Raptor / Rhino /Grizzly 660 models

Bore: Yes Stroke: No Actual Displacement = 686.39cc

Engine Modifications Included:
Cylinder:OEM Cylinder bored and diamond honed to match piston
Fuel Required:91 octane - Options Available
Piston:Wiseco or CP Piston 
Gaskets:Top end gaskets included.
Crankcase/Head:No modification required
 

Notes:  Can later be stroked to 720cc with same cylinder.

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Raptor 720cc Stealth Big Bore/Stroker

$999 We Modify your cylinder
$1074

 Exchange Cylinder - Additional charge

$1340 "Bolt On" - Includes Cylinder and crankshaft
$1499 Raptor Install and Blueprint - Additional charges apply for Rhino/Grizzly install.

 Raptor/Rhino/Grizzly 720 STEALTH Specifications:

Fits All Raptor / Rhino /Grizzly 660 models

Bore: Yes Stroke: Yes Actual Displacement = 719.07cc

Engine Modifications Included:
Cylinder:OEM Cylinder bored and diamond honed to match piston.
Fuel Required:91 octane - We can build it for 110 octane for $690 more
Piston:CP Piston
Crankshaft:Aftermarket stroker crankshaft
Crankcase/Head:No modification required

Notes:  Cylinder cores are subjet to inspection before core credit can be given.

Notes:  Add $400 more for Rhino / Grizzly install.

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