RACE WINNING TECHNOLOGIES FOR 2/4 STROKE ENGINES AND BIG BORE PERFORMANCE
Max Power Inc. offers the largest selection of big bore kits for motorcycles and ATV's anywhere.  Max Power is the home of the Ice Cube cylinder.  Max Power has big bore and stroker kits available for both 2 stroke and 4 stroke engines.  We are also your one stop engine performance shop selling stock displacement performance modifications, high compression pistons, Hot Cams, Web Cams, big bore kits, Hot Rods stroker crankshafts, Rossier exhaust systems, Jardine exhaust systems, Leo Vince exhaust systems, Wiseco pistons, CP Pistons and Cometic gaskets.  Max Power Inc. also offers full service cylinder head work including porting and oversize valves from Xceledyne and Kibblewhite.  Max Power is one of only 4 companys in the US that has a true in-house cylinder plating facility.   Max Power can plate your cylinder with nickel silicon carbide called Apticote 2000, Max Power offers cylinder porting, head modifications, 2 stroke big bore kits, Stroker engines, supermini mods and is the only company that makes the YZ167.  2 Stroke and 4 stroke stroker crankshafts and crankshaft balancing are available too.

KFX 470cc Big Bore - STEALTH

KFX 507cc Big Bore/Stroker - STEALTH

Click here to see additional performance options for your KFX 450R

KFX 470 Stealth Big Bore

$630 We Modify your cylinder
$705 Exchange Cylinder
$940 "Bolt On" - Includes Cylinder
$930 Installed and Blueprinted

 KFX 470 STEALTH Specifications:

 Fits 2008-Current KFX450

Bore: Yes Stroke: No Actual Displacement = 468.42cc

Engine Modifications Included:
Cylinder:OEM Cylinder bored and plated with Apticote 2000 Ceramic coating
Fuel Required:91 - 100 octane - Options Available
Piston:CP Piston - Max Power Extreme Coated
Gaskets:Top end gaskets included.
Crankcase/Head:No modification required
 

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KFX 507 Stealth Big Bore/Stroker

Click Here to read what ATV Action had to say about the KFX507 kit!

$1799 We Modify your cylinder and crankshaft
$1949 Exchange Cylinder and crankshaft
$2399 "Bolt On" - Includes Cylinder and crankshaft
$2299 Installed and Blueprinted

 KFX 507 STEALTH Specifications:

 Fits 2008-Current KFX450

Bore: Yes Stroke: Yes Actual Displacement = 506.13cc

Engine Modifications Included:
Cylinder:OEM Cylinder bored and plated with Apticote 2000 Ceramic coating
Fuel Required:91 - 100 octane - Options Available
Piston:Wiseco Piston - Max Power Extreme Coated
Crankshaft:OEM crank, lightened, stroked, and balanced with custom rod.
Crankcase/Head:No modification required

Notes:  Counter balance shaft must be machined to clear rod.

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

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Head Porting with 5 angle valve grind and seals = $500

Fuel Management system (programmable) = $450

Camshaft - Stage 2 = $190

Jardine RT5 Exhaust system = $575

Fuel ATV intake system = $190

Prices subjet to change without notice.  Please call to confirm pricing.