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Athena ATV Big Bore Kits

The Athena Cylinder kits are a bolt on high perfromance replacement kit specifically designed for each application. Kits include: aluminum cylinder with nickel-carbide coating designed with widere water jackets. Forged piston with molybdenum coating, and special top end gasket kit.

 

Wiseco ATV Big Bore Kits

Kit includes: Piston, rings, wrist pin, circlips, gasket kit and nikasil lined cylinder or sleeve. 


Piston Big Bore Kits



  WISECO BIG BORE 440 SLEEVE Honda 400EX
Code: 3052FA
Price: $125.00
Quantity in Basket: none
Cylinder SLEEVE for big bore piston. Honda
 
 



  Hot Rods stroker piston Yamaha Banshee 64mm 373cc
Code: 421-p1001
Price: $80.00
Quantity in Basket: none
requires Hot Rods stroker crankshaft #421-4111
 
 



  Hot Rods stroker piston Yamaha Banshee 64.5mm 379cc
Code: 421-p1002
Price: $80.00
Quantity in Basket: none
requires Hot Rods stroker crankshaft #421-4111
 
 



  Hot Rods stroker piston Yamaha Banshee 65mm 385cc
Code: 421-p1003
Price: $80.00
Quantity in Basket: none
requires Hot Rods stroker crankshaft #421-4111
 
 



  Hot Rods stroker piston Yamaha Banshee 65.5mm 391cc
Code: 421-p1004
Price: $80.00
Quantity in Basket: none
requires Hot Rods stroker crankshaft #421-4111
 
 



  Hot Rods stroker piston Yamaha Banshee 66mm 397cc
Code: 421-p1005
Price: $80.00
Quantity in Basket: none
requires Hot Rods stroker crankshaft #421-4111
 
 



  Hot Rods stroker piston Yamaha Banshee 66.5mm 403cc
Code: 421-p1006
Price: $80.00
Quantity in Basket: none
requires Hot Rods stroker crankshaft #421-4111
 
 



  Hot Rods stroker piston kit Yamaha Raptor 660 01-05 102.0mm 719cc
Code: 421-p2001
Price: $213.95
Quantity in Basket: none
requires Hot Rods stroker crankshaft, smokes any 727 kit
 
 



  Hot Rods stroker piston Yamaha Warrior YFM350X, Raptor 350 87-07 84mm 396cc
Code: 421-p3001
Price: $213.95
Quantity in Basket: none
requires Hot Rods stroker crankshaft
 
 



  Hot Rods stroker piston Honda 400ex 98-06 89mm 460cc
Code: 421-p4001
Price: $213.95
Quantity in Basket: none
requires Hot Rods stroker crankshaft
 
 



  Athena cylinder kit Kawasaki KFX/KLX 400 90mm 400cc 03-06, Suzuki DRZ/LTZ 400 90mm 400cc 03-08
Code: 68-4400
Price: $625.13
Quantity in Basket: none
12.2:1 standard bore
 
 



  Athena Big Bore cylinder kit Kawasaki KFX/KLX 400 94mm 430cc 03-09, Suzuki LTZ/DRZ 400 94mm 430cc 03
Code: 68-4410
Price: $653.00
Quantity in Basket: none
12.3:1 big bore Turn your ATV into a Big Bore Monster. This Big Bore Kit comes with Cylinder, piston, rings and gaskets.
 
 



  Athena cylinder kit Kymco KXR/MXU 250 78mm 287cc 03-06 big bore
Code: 68-4420
Price: $669.53
Quantity in Basket: none
 
 



  Athena cylinder Big Bore kit Honda TRX450R 97mm big bore 480cc 04-05
Code: 68-4703
Price: $744.32
Quantity in Basket: none
Turn your ATV into a Big Bore Monster. This Big Bore Kit comes with Cylinder, piston, rings and gaskets
 
 



  Athena cylinder kit Honda TRX450R 94mm std bore 450cc 04-05
Code: 68-4720
Price: $678.05
Quantity in Basket: none
 
 



  Athena cylinder Big Bore kit Honda TRX450R 100mm bore 490cc 06-08
Code: 68-4740
Price: $764.18
Quantity in Basket: none
Turn your ATV into a Big Bore Monster. This Big Bore Kit comes with Cylinder, piston, rings and gaskets
 
 



  Athena cylinder kit Yamaha YFZ 450 95mm 450cc 04-06
Code: 68-4950
Price: $647.33
Quantity in Basket: none
 
 



  Athena cylinder Big Bore kit Yamaha YFZ 450 98mm big bore 478cc 04-06
Code: 68-4980
Price: $699.00
Quantity in Basket: none
Turn your ATV into a Big Bore Monster. This Big Bore Kit comes with Cylinder, piston, rings and gaskets
 
 



  WISECO BIG BORE KIT 440cc 12.5-1 COMP, HONDA TRX400EX
Code: CK140
Price: $258.75
Quantity in Basket: none
ATV Big Bore kit comes with ATV piston, rings, piston pin, clips, sleeve and gaskets. Has 12.5:1 compression. Note: Wiseco offers a lower compression big bore piston but not in kit form. You would have to buy piston, gaskets, and sleeve separate.
 
 



  WISECO BIG BORE KIT 440cc 12.5-1 COMP,KAWASAKI KFX400, SUZUKI LTZ400
Code: CK144
Price: $678.96
Quantity in Basket: none
ATV Big Bore kit comes with ATV piston, rings, piston pin, clips, Cylinder and gaskets. Has 12.5:1 compression
 
 



  WISECO BIG BORE KIT 440cc 13.5-1 COMP KAWASAKI KFX400, SUZUKI LTZ400
Code: CK145
Price: $690.78
Quantity in Basket: none
ATV Big Bore kit comes with ATV piston, rings, piston pin, clips, Cylinder and gaskets. Has 12.5:1 compression
 
 



  Wiseco Big Bore Kit 500cc, Honda TRX450r 04-05
Code: CK188
Price: $843.17
Quantity in Basket: none
ATV Big Bore kit comes with ATV piston, rings, piston pin, clips, Cylinder and gaskets. Has 12.5:1 compression
 
 



  Cylinder works Complete big bore kit Honda TRX450R 04-05 +3mm 479cc
Code: T73-3706
Price: $435.00
Quantity in Basket: none
New Cylinder Works big bore kit from the makers of the Pivotworks, Hotcams, and Hot Rods. Cylinder Works offers high quality cylinders that are virtually identical in appearance to OEM. Each Cylinder Works big bore kit is designed as a true drop-in with no extra machine work to engine or cases*. Kit features:Includes cylinder, piston kit and gaskets, Nickel silicon carbide plated for longer life And on sale at discount price.
 
 



  Cylinder works Complete big bore kit Yamaha YFZ450 04-08 +3mm 478cc
Code: t73-3707
Price: $435.00
Quantity in Basket: none
New Cylinder Works big bore kit from the makers of the Pivotworks, Hotcams, and Hot Rods. Cylinder Works offers high quality cylinders that are virtually identical in appearance to OEM. Each Cylinder Works big bore kit is designed as a true drop-in with no extra machine work to engine or cases*. Kit features:Includes cylinder, piston kit and gaskets, Nickel silicon carbide plated for longer life And on sale at discount price.
 
 



  Cylinder works Complete big bore kit Kawasaki KFX400, Susuki LT-z400, Arctic Cat +4mm 434cc
Code: t73-3708
Price: $435.00
Quantity in Basket: none
New Cylinder Works big bore kit from the makers of the Pivotworks, Hotcams, and Hot Rods. Cylinder Works offers high quality cylinders that are virtually identical in appearance to OEM. Each Cylinder Works big bore kit is designed as a true drop-in with no extra machine work to engine or cases*. Kit features:Includes cylinder, piston kit and gaskets, Nickel silicon carbide plated for longer life And on sale at discount price.
 
 



  Athena Big Bore cylinder kit Suzuki LT 450R 100mm big bore 490cc
Code: 68-4470
Price: $648.50
Quantity in Basket: none
Turn your ATV into a Big Bore Monster. This Big Bore Kit comes with Cylinder, piston, rings and gaskets
 
 



  Wiseco 440 replacement piston Honda 400ex 11:1 compression 89mm
Code: 4667ps
Price: $126.99
Quantity in Basket: none
Wiseco 440 over bore piston replacement with 11:1 compression.You will need to resleeve cylinder. Wiseco does not offer this piston in the 440kit. You have to buy this piston and the sleeve (same sleeve as in 440kit) separate if you want to run the low compression piston. you will also need gasket kit 68-7826
 
 



  Wiseco piston kit 99mm Honda trx 450r 04-05 499cc
Code: 4889ps
Price: $170.00
Quantity in Basket: none
 
 



  Wiseco Piston Yamaha Grizzly 600 98-01 big bore 101mm
Code: 4607P24
Price: $136.99
Quantity in Basket: none
10.75:1 compression, cylinder resleeving req'd, crank case clean up req'd
 
 

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