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.
DRZ 470cc Big Bore/Stroker - STEALTH
DRZ 490cc Big Bore/Stroker - Ice Cube
DRZ 522cc Big Bore/Stroker - STEALTH
DRZ 522cc Big Bore/Stroker - Ice Cube
Click here to see additional performance options for your DR-Z 400!
$585 | "Bolt On" Kit - Includes Cylinder |
| $300 | Optional Install and Blueprint |
DRZ435 STEALTH Specifications: |
Fits 2003-2008 Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Artic Cat DVX400 |
| Bore: Yes | Stroke: No | Actual Displacement = 434.43cc |
| Engine Modifications Included: | |||||
| Cylinder: | Aftermarket Cast Cylinder - Nickel Plated | ||||
| Fuel Required: | 91 Octane | ||||
| Piston: | CP Piston | ||||
| Head: | No modification required | ||||
| Crankcase: | No modification required | ||||
Click Here to order this kit now!
| $525 | We Modify your cylinder |
| $575 | Exchange Cylinder-same day shipping |
| $975 | "Bolt On" - Includes Cylinder |
| $300 | Optional Install and Blue Print |
DRZ440 STEALTH Specifications: |
| Fits 2003-2008 Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Artic Cat DVX400 |
| Bore: Yes | Stroke: No | Actual Displacement = 439.06cc |
| Engine Modifications Included: | |||||
| Cylinder: | Bored and plated with Apticote 2000 Ceramic coating | ||||
| Compression: | Many options available customized to your preference. | ||||
| Piston: | Xtreme coated piston | ||||
| Head: | No modification required | ||||
| Crankcase: | No modification required | ||||
Click Here to order this kit now!
| $1149 | "Bolt On" Kit - Includes Cylinder |
| $300 | Optional Install and Blueprint |
DRZ455 ICE CUBE Specifications: |
Fits 2003-2008 Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Artic Cat DVX400 |
| Bore: Yes | Stroke:No | Actual Displacement = 453.11cc |
| Engine Modifications Included: | |||||
| Cylinder: | Billet Aluminum Cylinder plated with Apticote 2000 Ceramic coating | ||||
| Compression: | Many options available customized to your preference. | ||||
| Piston: | Xtreme coated piston | ||||
| Head: | No modification required | ||||
| Crankcase: | No modification required | ||||
Notes: Can later be stroked to 490cc or 522cc
Click Here to order this kit now!
Click Here to see a review of the LT-Z455 Stealth in ATV Sport
| $995 | We Modify your cylinder |
| $1045 | Exchange Cylinder-same day shipping |
$1600 | "Bolt On" - Includes Cylinder |
| $300 | Optional Install and Blue Print |
DRZ455 STEALTH Specifications: |
Fits 2003-2008 Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Artic Cat DVX400 |
| Bore: Yes | Stroke: No | Actual Displacement = 453.11cc |
| Engine Modifications Included: | |||||
| Cylinder: | "Ice Cube style" forged aluminum sleeve plated with Apticote 2000 Ceramic coating | ||||
| Compression: | Many options available customized to your preference. | ||||
| Piston: | Xtreme coated piston | ||||
| Head: | No modification required | ||||
| Crankcase: | No modification required | ||||
Notes: Can later be stroked to 490cc or 522cc
Click Here to order this kit now!
DR-Z 470 Big Bore/Stroker STEALTH
| $1075 | "Bolt On" Kit - Includes Cylinder and Crankshaft |
| $500 | Optional Install and Blue Print |
DRZ470 STEALTH Specifications: |
Fits 2003-2008 Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Artic Cat DVX400 |
| Bore: Yes | Stroke: Yes | Actual Displacement = 469.13cc |
| Engine Modifications Included: | |||||
| Cylinder: | Aftermarked Cast cylinder - Nickel Plated | ||||
| Fuel Required: | 91 Octane - This is a budget kit we do not offer race fuel compression ratios. | ||||
| Piston: | Custom CP Piston Xtreme coated | ||||
| Crankshaft: | Aftermarket stroker crank | ||||
| Crankcase: | No modification required | ||||
Notes: Balancing the crankshaft is highly recommended. Add $250
Notes: We do not accept cores for this kit.
Click Here to order this kit now!
DR-Z 490 Big Bore/Stroker - ICE CUBE
| $1699 | "Bolt On" Kit - Includes Cylinder, crankshaft, piston and gaskets. |
| $500 | Optional install and blue print |
DRZ490 ICE CUBE Specifications: |
Fits 2003-2008 Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Artic Cat DVX400 |
| Bore: Yes | Stroke: Yes | Actual Displacement = 489.3cc |
| Engine Modifications Included: | |||||
| Cylinder: | Billet Aluminum Cylinder plated with Apticote 2000 Ceramic coating | ||||
| Fuel Required: | 91 Octane | ||||
| Piston: | Custom CP Piston Xtreme coated | ||||
| Crankshaft: | Aftermarket stroker crank | ||||
| Crankcase: | No modification required | ||||
Notes: Balancing the crankshaft is highly recommended. Add $250
Notes: We do not accept cores for this kit.
Click Here to order this kit now!
DR-Z 522 Big Bore/Stroker - ICE CUBE
| $2650 | "Bolt On" Kit - Includes Cylinder, stroker crank, piston and gaskets |
| $500 | Optional install and blue print. |
DRZ522 ICE CUBE Specifications: |
Fits 2003-2008 Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Artic Cat DVX400 |
| Bore: Yes | Stroke: Yes | Actual Displacement = 521.15cc |
| Engine Modifications Included: | |||||
| Cylinder: | Billet Aluminum Cylinder plated with Apticote 2000 Ceramic 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. | ||||
Notes: Core credit of $200 available for good exchange cylinder and crankshaft
Click Here to order this kit now!
DR-Z 522 Big Bore/Stroker - STEALTH
| $2775 | "Bolt On" Kit - Includes Cylinder and Crankshaft |
| $500 | Optional install and blue print |
DRZ522 STEALTH Specifications: |
Fits 2003-2008 Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Artic Cat DVX400 |
| Bore: Yes | Stroke: Yes | Actual Displacement = 521.15cc |
Engine Modifications Included: | |||||
Cylinder: | "Ice Cube style" forged aluminum sleeve plated with Apticote 2000 Ceramic 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. | ||||
Click Here to order this kit now!
Rossier Exhaust System: $475
Jardine RT5 Exhaust System: $
Head Porting for application: $450
+1mm Exhaust valves with Head Porting: $
Camshafts with adjustable gears: $375
Adjustable Ignition System: $
39mm FCR Carb Kit: $
41mm FCR Carb Kit: $
Prices subjet to change without notice. Please call to confirm pricing.