Search  "Big Bore" 101 results have been found.

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  SKI-DOO G4 PROSHIFT TORSION OVERDRIVE... SKI-DOO G4 PROSHIFT TORSION OVERDRIVE...

  We are proud to offer our new Pro-Shift Torsion Overdrive Clutch Kits for the Ski Doo H4 Summit and Backcountry models for HIGH elevation!  These kits really work amazing! We have clutch kits like no other!! Utilizing our overdrive helix and torsion spring design, and our Pro-Mag weights.  This kit has killer throttle response, awesome acceleration, and... We are proud to offer our new...

  USD $359.95
  

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  CYLINDER PORTING CYLINDER PORTING

  We have been in this business for a long time and we have over 20 years of experience developing and modifying motors.   Doesn't matter what you have, old or new.  Though we usually are busy doing the newer 600 and 800cc motors, we have a lot of experience going way back to the old triple cylinder motors too.  Ski Doo, Arctic Cat, Polaris, or Yamaha, we... We have been in this business for a...

  USD $325.00
  

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  SKI DOO PRO SHIFT CLUTCH KITS - LOW ALTITUDE SKI DOO PRO SHIFT CLUTCH KITS - LOW ALTITUDE

  Our ProShift clutch kits for your Ski Doo are a great way to improve the performance of your machine.  The low altitude kits are available for all track lengths.  The standard low altitude kit is designed for aggressive trail riding where you see a nice gain in acceleration with very quick throttle response. A lot more fun on the trail with more... Our ProShift clutch kits for your Ski...

  USD $239.95
  

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  LOW ALTITUDE PRO SHIFT CLUTCH KITS POLARIS... LOW ALTITUDE PRO SHIFT CLUTCH KITS POLARIS...

  Clutching is the key factor to optimize the performance of your machine.  Whether you have a stock or modified machine there is a lot of performance to be gained with our ProShift Clutch Kits. We have tested to produce more aggressive helix angles to provide quicker acceleration.   Clutching is the key factor to...

  USD $359.95
  

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  JAWS CTEC BIG SHARK SINGLE PIPE ARCTIC CAT... JAWS CTEC BIG SHARK SINGLE PIPE ARCTIC CAT...

  The Jaws BIG SHARK 800 pipe adds tremendous bottom end power and easy hp over stock on the top end with peak power at 8100-8300 rpm on the Ctec2 motors.  With our reflash the power jumps 12-15+ horsepower and 8 lb/ft of torque.  COMES WITH THE PIPE, Y PIPE AND DONUT GASKET      The Jaws BIG SHARK 800 pipe adds...

  USD $599.95
  

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  JAWS BIG SHARK SINGLE PIPE ARCTIC CAT 800... JAWS BIG SHARK SINGLE PIPE ARCTIC CAT 800...

  The Jaws BIG SHARK 800 pipe adds tremendous bottom end power and an easy 11-13 hp over stock on the top end with peak power at 83-8500 rpm on 2012-17 800 HO.  With the power commander (and our map) plus a 2.5 degree offset timing key, the power jumps to 15-16 horsepower.  COMES WITH THE PIPE, Y PIPE AND DONUT GASKET      The Jaws BIG SHARK 800 pipe adds...

  USD $599.95
  

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  3" BIG FLOW STAINLESS STEEL MUFFLER FOR... 3" BIG FLOW STAINLESS STEEL MUFFLER FOR...

  Our Stainless Steel 3" Big Flow muffler is the easiest and best way to bolt on huge horsepower!  We have tested this muffler and it works great with the stock fuel mapping or with enhanced ecu flashes.  The 3" diameter high flow muffler is good for a 25+ horsepower gain!  This muffler has drag race power and a trail friendly sound.   Our Stainless Steel 3" Big Flow...

  USD $549.95
  

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  MOUNTAIN SERIES PRO SHIFT CLUTCH KITS-POLARIS MOUNTAIN SERIES PRO SHIFT CLUTCH KITS-POLARIS

  MOUNTAIN SERIES PRO SHIFT KITS are designed for long track models  in deep snow.  They are tuned for very quick throttle response in deep snow when boondocking and climbing, so that you have instant power all of the time.  MOUNTAIN SERIES PRO SHIFT KITS are...

  USD $359.95
  

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  STAGE 3 AXYS 800 PERFORMER KIT STAGE 3 AXYS 800 PERFORMER KIT

  Powerful and quick acceleration with excellent throttle response & backshift! This kit makes your Axys into a whole new machine!  It will gain low end, mid range and top speed!  It works! See the details below!  Powerful and quick acceleration with...

  USD $1,995.95
  

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  660 BIG BORE KIT FOR POLARIS 600 660 BIG BORE KIT FOR POLARIS 600

  **Built to order - 8-12 week lead times** The Polaris 600 is a heck of a motor, and it has a ton of potential!  The 660 kit makes 145-149 hp when paired with our pipe mod, v force reeds, and a power commander.  We bore the cylinders out, port them, re-nikasil the plating, modify the exhaust valves, and machine the head. This kit is extremely reliable,... **Built to order - 8-12 week lead...

  USD $1,795.00
  

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  900CC CTEC BIG BORE PISTONS 90.5MM 900CC CTEC BIG BORE PISTONS 90.5MM

  These replacement pistons are for our 900 big bore kit for the 2018+ Arctic Cat 8000.    90.5mm diameter PISTONS SOLD INDIVIDUALLY These replacement pistons are for our...

  USD $229.95
  

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  ARCTIC CAT BIG BORE H.O. DOMES ARCTIC CAT BIG BORE H.O. DOMES

  Replacement Dome for our Pro-Cool Billet Head for Arctic Cat 800&8000 H.O. model engines with SSI 950 or 900 big bores. SOLD EACH Replacement Dome for our Pro-Cool...

  USD $114.95
  

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  ARCTIC CAT BIG BORE CTEC-2 DOMES ARCTIC CAT BIG BORE CTEC-2 DOMES

  Replacement Dome for our Pro-Cool Billet Head for Arctic Cat 800&8000 model Ctec-2 engines with big bores. Sold each. Replacement Dome for our Pro-Cool...

  USD $99.95
  

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  SSI POLARIS 860 BIG BORE DOMES SSI POLARIS 860 BIG BORE DOMES

  Replacement Dome for our Pro-Cool Billet Head for Polaris 800 model engines with 860 big bore kit  SOLD EACH Replacement Dome for our Pro-Cool...

  USD $99.95
  

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  860 BIG BORE PISTON POLARIS 860 BIG BORE PISTON POLARIS

  **Limited stock, may take up to 6 weeks upon order** Replacement 860 big bore piston.  Dual ring, Teflon coated.  88mm.  Comes with piston, rings, wristpin, and c-clips.  Sold Each **Limited stock, may take up to 6...

  USD $229.95
  

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  CATALYST 900 BIG BORE CATALYST 900 BIG BORE

  PREORDER FOR 25/26 NOW Turn your stock CATALYST 600 in to a 900cc monster with our new CATALYST 900 Kit!  This kit comes with everything you need.  Engine turnarounds are expected to be less than 1 week upon receiving your engine.  These are the same 900's we've been running on the 800 Ctec's, adapted to fit the 600's, which have proven their durability... PREORDER FOR 25/26 NOW Turn your...

  USD $5,495.00
  

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  REPLACEMENT 950 BIG BORE PISTON ARCTIC CAT REPLACEMENT 950 BIG BORE PISTON ARCTIC CAT

  Replacement 950 big bore piston for 2010-2017 Arctic Cat For our Promax 950 Big Bore Kit Replacement 950 big bore piston for...

  USD $229.95
  

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  900 BIG BORE KIT 2012-2017 ARCTIC CAT 900 BIG BORE KIT 2012-2017 ARCTIC CAT

  Our 900 Big Bore Kit has been cranking out some serious power for several years now.   It makes very impressive power and wicked torque.  The powerband is broad and it's a blast to drive!!  With the use of the Jaws Big Bore pipe, Boyesen reeds, a 2.5 degree timing key, and a power commander, this kit will crank out 190+ hp and over 120 lb/ft of torque on... Our 900 Big Bore Kit has been...

  USD $2,099.00
  

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  450 BIG BORE KIT for VENOM / BLAST 450 BIG BORE KIT for VENOM / BLAST

   The 450 Big Bore Kit really brings this 400's to life!!  We have been doing the 900 big bore to the 800 for several years now, and they work great.   The latest single cylinder version works great too!   Much more low end torque and peak horsepower.    The 450 Big Bore Kit really brings...

  USD $1,099.95
  

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  PATRIOT 909 BIG BORE KIT WITH BILLET HEAD PATRIOT 909 BIG BORE KIT WITH BILLET HEAD

  The Patriot 850 motor is a fun package, but there was plenty left on the table.  The stock porting was relatively mild, and there was plenty of room to bore the stock cylinder out.  Bring you sled to life with our 909 cc big bore kit!!  The combination of the larger bore, improved porting, and our billet head produces one awesome kit.  The Patriot 850 motor is a fun...

  USD $2,199.00
  

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  PATRIOT 909 BIG BORE PRO KIT PATRIOT 909 BIG BORE PRO KIT

  IF you want to look mostly stock, sound stock, but certainly not be stock at all, we can help!!  With our pipe mod, billet head, and big bore kit, no one will be able to see what's really under the hood!! The stock porting was relatively mild, and there was plenty of room to bore the stock cylinder out.  Bring you sled to life with our 909 cc big bore... IF you want to look mostly stock,...

  USD $3,399.00
  

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  900 TO THE MAX BIG BORE KIT 2012-2017... 900 TO THE MAX BIG BORE KIT 2012-2017...

  Our 900 Big Bore Kit has been cranking out some serious power for several years now.   It makes very impressive power and wicked torque.  The powerband is broad and it's a blast to drive!!  With the use of the Jaws Big Bore pipe, Boyesen reeds, a 2.5 degree timing key, and a power commander, this kit will crank out 190+ hp and over 120 lb/ft of torque on... Our 900 Big Bore Kit has been...

  USD $4,195.00
  

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  900 BIG BORE KIT TO THE MAX - CTEC 900 BIG BORE KIT TO THE MAX - CTEC

  The TO THE MAX KIT comes with everything you need to bring the motor to maximum horsepower.  PROMAX 900 Cylinders, Custom Wiseco pistons, Billet Head, Replaceable Dome inserts, Complete Top End Gasket set, Jaws Big Bore Pipe and Y pipe, our SSI Stainless Muffler, Boyesen Reed Valves, 55mm Pro Lite Throttle Bodies, Pro-Shift Clutching, and The IBEXX GOAT... The TO THE MAX KIT comes with...

  USD $4,595.00
  

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  900 PRO-MAX 2 BUDGET BIG BORE KIT 900 PRO-MAX 2 BUDGET BIG BORE KIT

  Well we all know that Arctic Cat really stepped up their game on the new 8000 DSI motor.  It runs incredibly smooth, efficient, and responsive with much more low end and mid range torque.  Now just take that new and improved motor and make it a 900!  Wow what a fun machine it becomes!  The 900 PROMAX2 Big Bore kit is the real deal. Build your own with... Well we all know that Arctic Cat...

  USD $2,199.00
  

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  2022 MTN MAX 900 BIG BORE 2022 MTN MAX 900 BIG BORE

  Don't want to build a Prolite yourself? just buy this one! Great condition with just 578 miles, 165 3" Alpha one with our full 900 to the max kit and tons of extra! just check out the last picture for a full build list! currently setup for high elevation riding above 7000' but can be reconfigured for your liking Don't want to build a Prolite...

  USD $9,995.00
  

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