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.

Off Season discounts now available on all Ice Cube big bore and stroker kits!

Call 608-224-2524 or E-Mail  This e-mail address is being protected from spambots, you need JavaScript enabled to view it for details.  

 

YZ 468F Stealth Big Bore

YZ 478F Stealth Big Bore

YZ 488F Stealth Big Bore

YZ 488F Ice Cube Big Bore

YZ 491F Stealth Big Bore/Stroker

YZ 502F Stealth Big Bore/Stroker

YZ 511F Stealth Big Bore/Stroker

YZ 511F Ice Cube Big Bore/Stroker

YZ 523F Stealth Big Bore/Stroker

YZ 523F Ice Cube Big Bore/Stroker

Click here for more performance options for your YZ 450F

YZ468F Stealth Big Bore

$599 We Modify your cylinder
$674 Exchange Cylinder
$899 "Bolt On" - Includes Cylinder
$899 Installed and Blueprinted

 

 YZ468F STEALTH Specifications:

 Fits 2003-Current YZ/WR 450F

Bore: Yes Stroke: No Actual Displacement = 468.52cc

Engine Modifications Included:
Cylinder:OEM Cylinder bored and plated with Apticote 2000 Ceramic coating
Fuel Required:91 - 110 octane - Options Available
Piston:Wiseco Piston - Max Power Extreme Coated
Head:No modification required
Crankcase:No modification required

Click Here to order this kit now!

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YZ478F Stealth Big Bore

$599 We Modify your cylinder
$674 Exchange Cylinder

$899(06-08)

$590(03-05)

 "Bolt On" - Includes Cylinder
$899 Optional Install and Blue Print

 

 YZ478F STEALTH Specifications:

 Fits 2003-Current YZ/WR 450F

Bore: Yes Stroke: No Actual Displacement = 478.22cc

Engine Modifications Included:

Cylinder:

OEM Cylinder bored and plated with Apticote 2000 Ceramic coating

2003-2005 "Bolt On" Cylinders are Aftermarket Cast with Nickel plating.

Fuel Required:91 - 110 octane - Options Available
Piston:Wiseco Piston - Max Power Extreme Coated
Head:No modification required
Crankcase:No modification required

Click Here to order this kit now!

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YZ488F Stealth Big Bore

$950 We Modify your cylinder
$1025 Exchange Cylinder
$1250 "Bolt On" - Includes Cylinder
$125 Installed and Blueprinted

 

 YZ488F STEALTH Specifications:

 Fits 2003-Current YZ/WR 450F

Bore: Yes Stroke: No Actual Displacement = 488.03cc

Engine Modifications Included:
Cylinder:OEM Cylinder with "Ice Cube Style" forged sleeve plated with Apticote 2000 Ceramic coating
Fuel Required:91 - 110 octane - Options Available
Piston:Wiseco or CP Piston- Max Power Extreme Coated
Head:No modification required
Crankcase:No modification required

Click Here to order this kit now!

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YZ488F Ice Cube Big Bore

$ 
$ 
$1250 "Bolt On" - Includes Cylinder
$1550 Optional Install and Blue Print

Off Season discounts now available on all Ice Cube big bore and stroker kits!

Call 608-224-2524 or E-Mail  This e-mail address is being protected from spambots, you need JavaScript enabled to view it   for details.

 YZ488F Ice Cube Specifications:

 Fits 2003-2005 YZ/WR 450F

Bore: Yes Stroke: No Actual Displacement = 478.22cc

Engine Modifications Included:
Cylinder:Billet aluminum Cylinder bored and plated with Apticote 2000 Ceramic coating
Fuel Required:91 - 110 octane - Options Available
Piston:Wiseco Piston - Max Power Extreme Coated
Head:No modification required
Crankcase:No modification required

Click Here to order this kit now!

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YZ491F Stealth Big Bore/Stroker

$970 We Modify your cylinder
$1045 Exchange Cylinder
$1280 "Bolt On" - Includes Cylinder and Crankshaft
$1470 Installed and Blueprinted

 YZ491F STEALTH Specifications:

 Fits 2003-Current YZ/WR 450F

Bore: Yes Stroke: Yes Actual Displacement = 490.68cc

Engine Modifications Included:
Cylinder:OEM Cylinder bored and plated with Apticote 2000 Ceramic coating
Fuel Required:91 - 110 octane - Options Available
Piston/Crankshaft:Wiseco Piston - Max Power Extreme Coated / Aftermarket Stroker Crank balanced
Head:No modification required
Crankcase:No modification required

Click Here to order this kit now!

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YZ502F Stealth Big Bore/Stroker

$2060 We Modify your cylinder
$2135 Exchange Cylinder
$2375 "Bolt On" - Includes Cylinder and Crankshaft
$2560 Installed and Blueprinted

 YZ502F STEALTH Specifications:

 Fits 2003-Current YZ/WR 450F

Bore: Yes Stroke: Yes Actual Displacement = 502.51cc

Engine Modifications Included:
Cylinder:OEM Cylinder bored and plated with Apticote 2000 Ceramic coating
Fuel Required:91 - 110 octane - Options Available
Piston/Crankshaft:Wiseco Piston - Max Power Extreme Coated / OEM Crank Stroked and balanced
Head:No modification required
Crankcase:No modification required

Click Here to order this kit now!

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YZ511F Stealth Big Bore/Stroker

$1499 We Modify your cylinder
$1574 Exchange Cylinder
$1799 "Bolt On" - Includes Cylinder and Crankshaft
$1999 Installed and Blueprinted

 YZ511F STEALTH Specifications:

 Fits 2003-Current YZ/WR 450F

Bore: Yes Stroke: Yes Actual Displacement = 511.12cc

Engine Modifications Included:
Cylinder:OEM Cylinder bored and plated with Apticote 2000 Ceramic coating
Fuel Required:91 - 110 octane - Options Available
Piston/Crankshaft:Wiseco Piston - Max Power Extreme Coated / Aftermarket Stroker crank balanced
Head:No modification required
Crankcase:No modification required

Click Here to order this kit now!

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YZ511F Ice Cube Big Bore/Stroker

$ 
$ 
$1799 "Bolt On" - Includes Cylinder and Crankshaft
$2299 Installed and Blueprinted

Off Season discounts now available on all Ice Cube big bore and stroker kits!

Call 608-224-2524 or E-Mail  This e-mail address is being protected from spambots, you need JavaScript enabled to view it   for details

 YZ511F Ice Cube Specifications:

 Fits 2003-2005 YZ/WR 450F

Bore: Yes Stroke: Yes Actual Displacement = 511.12cc

Engine Modifications Included:
Cylinder:Billet Aluminum Cylinder plated with Apticote 2000 Ceramic coating
Fuel Required:91 - 110 octane - Options Available
Piston/Crankshaft:Wiseco Piston - Max Power Extreme Coated / Aftermarket Stroker crank balanced
Head:No modification required
Crankcase:No modification required

Click Here to order this kit now!

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YZ523F Stealth Big Bore/Stroker

$2299 We Modify your cylinder
$2374 Exchange Cylinder
$2599 "Bolt On" - Includes Cylinder and Crankshaft
$2799 Installed and Blueprinted

 YZ523F STEALTH Specifications:

 Fits 2003-Current YZ/WR 450F

Bore: Yes Stroke: Yes Actual Displacement = 523.44cc

Engine Modifications Included:
Cylinder:OEM Cylinder with "Ice Cube Style" forged sleeve plated with Apticote 2000 Ceramic coating
Fuel Required:91 - 110 octane - Options Available
Piston/Crankshaft:Wiseco Piston - Max Power Extreme Coated / OEM Crank Stroked and balanced
Head:No modification required
Crankcase:No modification required

Click Here to order this kit now!

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YZ523F Ice Cube Big Bore/Stroker

$ 
$ 
$2650 "Bolt On" - Includes Cylinder and Crankshaft
$3150 Optional Install and Blue Print

Off Season discounts now available on all Ice Cube big bore and stroker kits!

Call 608-224-2524 or E-Mail  This e-mail address is being protected from spambots, you need JavaScript enabled to view it   for details

 YZ511F Ice Cube Specifications:

 Fits 2003-2005 YZ/WR 450F

Bore: Yes Stroke: Yes Actual Displacement = 511.12cc

Engine Modifications Included:
Cylinder:Billet Aluminum Cylinder plated with Apticote 2000 Ceramic coating
Fuel Required:91 - 110 octane - Options Available
Piston/Crankshaft:Wiseco Piston - Max Power Extreme Coated / OEM Crank Stroked and balanced
Head:No modification required
Crankcase:No modification required

Click Here to order this kit now!

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