KX70 RM70 National Big Bore

Please call to order 608-842-0680 Price : $449   KX/RM 70 Big Bore Specifications: Fits 2000 to Current KX/RM 65   Product Description Bore: 46.5   Stroke: 41.6   Actual Displacement = 70.65 cc Engine Modifications Included: Cylinder:  Bore, Port and Plate. Head: Re-chamber to work with the big bore piston. Parts:  Wiseco piston kit, top end bearing, and necessary gaskets. Notes: This kit requires you to send us you top end for modification. This is a great kit that we mostly sell to the KX65 ATV national classes.   The KX70 big bore increases the power across the board so it is...

read more

KX70 RM70 National Stroker engine build

Please call to order 608-842-0680 Price : $1,199   KX/RM 70 Stroker Specifications: Fits 2000 to Current KX/RM 65   Product Description Bore: 44.5   Stroke: 45   Actual Displacement = 69.98 cc Engine Modifications Included: Cylinder:  Port Head: Re-chamber to work with the stroker crank. Crankshaft: Stroked and balanced. Crankcase: Modified to clear stroker crankshaft. Parts:  Wiseco piston kit, top end bearing, and necessary gaskets. Blueprint: Calculate deck height, squish clearance, trapped volume, port timing and compression ratio and list on your permanent Spec-Sheet. Notes:...

read more

Suzuki RM280 Big Bore/Stroker

Please call to order 608-842-0680 Special Price: $1,895.00   Max Power RM280 Big bore stroker engine build. Fits 2003-2007 RM250   Product Description This is the big bore and stroker build that we offer for the 2003-2007 Suzuki RM250. 280cc is what we have found to be the most effective bore/stroke combination for 250cc engines. Like our other 280cc 2-stroke engine offerings this one also has a very big bottom and mid that can be used for pretty much anything, however it also does not stop pulling till after most guys shut it off. It is a very linear power curve that lends it self...

read more

ATVA Schoolboy Jr. Open – 300cc Big Bore/Stroker Engine Kits

Max Power has been refining our big bore and long-rod stroker engine packages for the ATVA National Schoolboy Jr. Open class.   Most of them are smaller bores with basically the same bottom end configurations as our previously tested kits with a few exceptions on a couple models to handle the additional weight of the ATV chassis. Currently we have kits available for the following models. 2004-2009 Honda CRF250R – 295cc 2004-Current Honda CRF250X – 295cc 2010-Current Honda CRF250R – 297cc 2001-2013 Yamaha YZ250F – 299cc 2001-Current Yamaha WR250F – 299cc...

read more

RM-Z 475 Stealth Big Bore

Please call to order 608-842-0680 Be the first to review this product Availability: In stock. Regular Price: $630.00 Special Price: $475.00   Quick Overview RM-Z 475 STEALTH Specifications: Fits 2006-2007 RM-Z 450   Choose option: We modify your cylinder Exchange Cylinder Installed and Blueprinted: $ 300.00   Product Description Bore: Yes Stroke: No Actual Displacement = 473.69cc Engine Modifications Included: Cylinder: OEM Cylinder bored and plated with Apticote 2000 Ceramic coating Fuel Required: 91 – 110 octane – Options Available Piston: Wiseco Piston Head: No...

read more

DRZ, LTZ, KFX, DVX 522 ICE CUBE Big Bore/Stroker

Please call to order 608-842-0680 Availability: In stock. Regular Price: $2,350.00 Special Price: $1,975.00   Quick Overview Max Power’s Ice Cube big bore/stroker kit for Suzuki LTZ400, DRZ400, Kawasaki KFX400 and Arctic Cat DVX400. Max Power’s Ice Cube big bore/stroker for Suzuki LTZ400, DRZ400, Kawasaki KFX400 and Arctic Cat DVX400.     Product Description Includes: CNC machined 6061T6 billet aluminum cylinder. Apticote 2000 Nickel Ceramic Bore Coating Stroker crankshaft modifications Custom 96mm CP Piston Kit – Race fuel required. Cometic Head and base...

read more

DRZ, LTZ, KFX, DVX 485 ICE CUBE Big Bore/Stroker

Please call to order 608-842-0680 Availability: In stock. Regular Price: $1,549.00 Special Price: $1,195.00   Quick Overview Max Power’s Ice Cube big bore/stroker kit for Suzuki LTZ400, DRZ400, Kawasaki KFX400 and Arctic Cat DVX400.   Product Description Max Power’s Ice Cube big bore/stroker for Suzuki LTZ400, DRZ400, Kawasaki KFX400 and Arctic Cat DVX400. Includes: CNC machined 6061T6 billet aluminum cylinder. Apticote 2000 Nickel Ceramic Bore Coating Custom 96mm CP Piston Kit (Various compression ratios available) Cometic Head and base gaskets Necessary Bottom end...

read more

DRZ, LTZ, KFX, DVX 455 ICE CUBE Big Bore

Please call to order 608-842-0680 Availability: In stock. Regular Price: $1,149.00 Special Price: $795.00   Quick Overview Max Power’s Ice Cube big bore cylinder for Suzuki LTZ400, DRZ400, Kawasaki KFX400 and Arctic Cat DVX400.   Choose option: We modify your cylinder Exchange cylinder: $ 50.00 “Bolt on” – Includes Cylinder: $ 605.00 Installed and Blueprinted: $ 300.00   Product Description Max Power’s Ice Cube big bore cylinder for Suzuki LTZ400, DRZ400, Kawasaki KFX400 and Arctic Cat DVX400.   Includes: CNC machined 6061T6 billet aluminum cylinder. Apticote...

read more

Cylinder Exchange Kit KFX,DRZ,LTZ,DVX 400 00-Current

Please call to order 608-842-0680 Availability: In stock. Regular Price: $644.00 Special Price: $399.00   Quick Overview Cylinder Exchange Kit 2000 – Current KFX400, LTZ400, DRZ400, DVX400 Stock Bore (90mm)   Product Description Cylinder Exchange Kit 2000 – Current KFX400, LTZ400, DRZ400, DVX400 Stock Bore (90mm)   Includes: OEM Cylinder – Apticote 2000 coated Wiseco Piston Kit 13.5:1 (CP Piston 12.5:1 also available) Top End Gasket Set Cylinder Core Charge of $125 added to purchase and then refunded when you send back your good OEM core cylinder. Product...

read more

DR-Z 522 Big Bore/Stroker – STEALTH

Please call to order 608-842-0680 Availability: In stock. $2,775.00   Quick Overview DRZ522 STEALTH Specifications: Fits 2003-2008 Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Artic Cat DVX400   Choose option: “Bolt On” – Includes cylinder and crankshaft Installed and Blueprinted: $ 500.00   Product Description 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...

read more

DR-Z 470 Big Bore/Stroker STEALTH

Please call to order 608-842-0680 Availability: In stock. $1,075.00   Quick Overview DRZ470 STEALTH Specifications: Fits 2003-2008 Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Artic Cat DVX400   Choose option: “Bolt on” – Includes cylinder Installed and Blueprinted: $ 500.00   Product Description 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...

read more

DRZ,LTZ,KFX,DVX 455 Stealth Big Bore

Please call to order 608-842-0680 Availability: In stock. Regular Price: $995.00 Special Price: $775.00 Quick Overview DRZ,LTZ,KFX,DVX 455 Stealth Big Bore Fits 2000 – Current Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Arctic Cat DVX400   Product Description Bore: Yes Stroke: No Actual Displacement = 453.11cc Includes: Cylinder: Modified OEM with Apticote 2000 Ceramic bore coating Compression: 12.5:1 – 13.5:1 Piston: CP Piston Kit Necessary Gaskets Head: No modification required Crankcase: No modification required Price requires you to send us your OEM cylinder for...

read more

DR-Z 440 Stealth Big Bore

Please call to order 608-842-0680 Availability: In stock. Regular Price: $525.00 Special Price: $475.00   Quick Overview DRZ440 STEALTH Specifications:Fits 2003-2008 Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Artic Cat DVX400   Choose option: We modify your cylinder Exchange cylinder “Bolt on” – Includes cylinder: $ 125.00 Installed and Blueprinted: $ 300.00   Product Description Bore: Yes Stroke: No Actual Displacement = 439.06cc Engine Modifications Included: Cylinder: OEM Bored and plated with Apticote 2000 Ceramic coating Compression: Options available...

read more

DR-Z 435 Stealth Big Bore

  Please call to order 608-842-0680 Availability: In stock. Regular Price: $599.95 Special Price: $475.00   Quick Overview DRZ435 STEALTH Specifications: Fits 2003-2008 Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Artic Cat DVX400   Choose option: “Bolt On” – Includes cylinder   Product Description Bore: Yes Stroke: No Actual Displacement = 434.43cc Includes: Cast Cylinder – Nickel Plated 91 Octane Vertex Piston Necessary Gasket Head: No modification required Crankcase: No modification required Dealer discounts do not apply to this kit....

read more

DRZ,LTZ,KFX,DVX 485 Stealth Big Bore / Stroker

Please call to order 608-842-0680 Availability: In stock. $1,199.00   Quick Overview DRZ,LTZ,KFX,DVX 485 Stealth Big Bore / Stroker Fits 2000-Current Suzuki LT-Z400, DR-Z400, Kawasaki KFX400 and Arctic Cat DVX400   Product Description Bore: Yes Stroke: Yes Actual Displacement = 485cc Includes: Cylinder Mods: Modified OEM Cylinder Plated with Apticote 2000 Piston: Custom CP Piston Compression Range: 12.5:1 – 14.5:1 Crankshaft: Aftermarket stroker crank Crankcase: No modification required Price requires you to send us your OEM cylinder for modification. You can purchase an OEM core...

read more

RMZ 276 Stealth Big Bore

Please call to order 608-842-0680 Availability: In stock. Regular Price: $925.00 Special Price: $795.00   Quick Overview RM-Z 276 STEALTH Specifications: Fits 2004 – Current RMZ 250   Choose option: We modify your cylinder Exchange cylinder: $ 75.00 “Bolt on” – Includes Cylinder: $ 274.00 Installed and Blueprinted: $ 300.00   Product Description Bore: Yes Stroke: No Actual Displacement = 276.20cc Engine Modifications Included: Cylinder: OEM cylinder with “Ice Cube Style” Sleeve installed, and plated with Apticote 2000 Fuel Required: 91-100...

read more

RMZ 300cc Stealth Big Bore / Long Rod Stroker

Please call to order 608-842-0680 Availability: In stock. Regular Price: $2,270.00 Special Price: $1,695.00   Quick Overview For: 2004-Current RMZ250   Product Description For: 2004-Current RMZ250 Includes: Cylinder: Install forged Aluminum sleeve, and plate with Apticote 2000 ceramic bore coating. Crankshaft: Stroke and balance with long rod installed. CP Piston kit Necessary Gaskets Base Spacer Plate Longer Cam Chain Longer Chain Guides Longer head bolts No Case Mods Required This price is to modify your cylinder and crankshaft. Call us for a bolt in price. Upper head mounts must...

read more

RMZ 315 Ice Cube Big Bore/Stroker

Please call to order 608-842-0680 Availability: In stock. Regular Price: $2,750.00 Special Price: $1,695.00   Quick Overview RMZ 315 STEALTH Specifications: Fits 2004 – 2008 RMZ 250   Choose option: “Bolt on” – Includes cylinder and crankshaft Installed and Blueprinted: $ 500.00     Product Description Bore: Yes Stroke: Yes Actual Displacement = 315cc Engine Modifications Included: Cylinder: Tall Ice Cube cylinder plated with Apticote 2000 Fuel Required: 91-100 octane Piston: CP Piston Crankshaft: Stroked and balanced with Long rod kit....

read more

RM-Z 277 Stealth Big Bore/Stroker

Please call to order 608-842-0680 Availability: In stock. $1,999.00   Quick Overview RM-Z 277 STEALTH Specifications: Fits 2004 – 2006 RM-Z 250   Choose option: Exchange cylinder and crankshaft “Bolt on” – Includes cylinder and crankshaft: $ 151.00 Installed and Blueprinted: $300.00   Product Description Bore: Yes Stroke: Yes Actual Displacement = 277.44cc Engine Modifications Included: Cylinder: OEM cylinder bored and plated with Apticote 2000 Fuel Required: 100 octane (14:1) Piston: CP Piston Crankshaft: Stroked, balanced, and lightened....

read more

RM-Z 276 Ice Cube Big Bore

Please call to order 608-842-0680 Availability: In stock. Regular Price: $999.00 Special Price: $749.00   Quick Overview RM-Z 276 ICE CUBE Specifications: Fits 2004 – 2008 RM-Z 250   Choose option: “Bolt on” – Includes cylinder Installed and Blueprinted: $ 300.00   Product Description Bore: Yes Stroke: No Actual Displacement = 276.20cc Includes: Standard height Ice Cube cylinder CP Piston kit Necessary gaskets...

read more