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

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

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

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

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

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

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

Hot Rods stroker piston kit Yamaha Raptor 660 01-05 102.0mm 719cc Code: 421-p2001 Price: $213.95 Retail Price: $255 Quantity in Basket: none

Hot Rods stroker piston Yamaha Warrior YFM350X, Raptor 350 87-07 84mm 396cc Code: 421-p3001 Price: $213.95 Retail Price: $255 Quantity in Basket: none

Hot Rods stroker piston Honda 400ex 98-06 89mm 460cc Code: 421-p4001 Price: $213.95 Retail Price: $255 Quantity in Basket: none

Athena cylinder kit Kawasaki KFX/KLX 400 03-06, Suzuki DRZ/LTZ 400 03-10 Code: 68-4400 Price: $628.13 Retail Price: $785.00 Quantity in Basket: none

Athena Big Bore cylinder kit Kawasaki KFX/KLX 400, Suzuki LTZ/DRZ 400 03-11 Code: 68-4410 Price: $657.77 Retail Price: $823.95 Quantity in Basket: none

Athena cylinder Honda Big Bore kit Honda TRX450R 97mm big bore 480cc 04-05 Code: 68-4703 Price: $747.82 Retail Price: $935.95 Quantity in Basket: none

Athena cylinder kit Honda TRX450R 94mm std bore 450cc 04-05 Code: 68-4720 Price: $670.31 Retail Price: $838.95 Quantity in Basket: none

Athena cylinder Big Bore kit Honda TRX450R 100mm bore 490cc 06-09 Code: 68-4740 Price: $768.35 Retail Price: $961.95 Quantity in Basket: none

Athena cylinder kit Yamaha YFZ 450 95mm 450cc 04-09 Code: 68-4950 Price: $650.93 Retail Price: $814.95 Quantity in Basket: none

Athena cylinder Big Bore kit Yamaha YFZ 450 98mm big bore 478cc 04-09 Code: 68-4980 Price: $425.21 Retail Price: $532.99 Quantity in Basket: none

Wiseco Honda Big Bore Kit 440cc 12.5-1 COMP Honda TRX400EX 99-08 Code: CK140 Price: $278.29 Retail Price: $369 Quantity in Basket: none

Wiseco Big Bore Kit 440cc 12.5-1 COMP Kawasaki KFX400 03-06, SuzukiI LTZ400 00-07 Code: CK144 Price: $816.12 Retail Price: $985 Quantity in Basket: none

Wiseco Big Bore Kit 440cc 13.5-1 COMP Kawasaki KFX400 03-06, Suzuki LTZ400 00-07 Code: CK145 Price: $740.29 Retail Price: $985 Quantity in Basket: none

Athena Suzuki Big Bore cylinder kit Suzuki LT 450R 100mm big bore 490cc Code: 68-4470 Price: $652.07 Retail Price: $816.95 Quantity in Basket: none

Wiseco 440 replacement piston Honda 400ex 11:1 compression 89mm Code: 4667ps Price: $126.99 Retail Price: $164.99 Quantity in Basket: none

Wiseco piston kit 99mm Honda trx 450r 04-05 499cc Code: 4889ps Price: $166.99 Retail Price: $235.99 Quantity in Basket: none

Wiseco Piston Yamaha Grizzly 600 98-01 big bore 101mm Code: 4607P24 Price: $157.00 Retail Price: $209.99 Quantity in Basket: none

Cylinder Works Honda Big Bore kit Honda TRX450R (+3mm ) 04-05 Code: 422-11003K Price: $470.00 Retail Price: $599.99 Quantity in Basket: none

Cylinder Works Honda Big Bore kit Honda TRX450R/ER (+3mm ) 06-09 Code: 422-11005K Price: $470.00 Retail Price: $599.99 Quantity in Basket: none

Cylinder Works Yamaha Big Bore kit Yamaha YFZ450 (+3mm ) 04-09 Code: 422-21001K Price: $470.00 Retail Price: $599.99 Quantity in Basket: none

Cylinder Works Big Bore kit Arctic Cat DVX400 (+4mm ) 04-08, Code: 422-41001K Price: $470.00 Retail Price: $599.99 Quantity in Basket: none

Cylinder Works Suzuki Big Bore kit Suzuki LTR450 (+2.5mm) 06-09 Code: 422-41002K Price: $470.00 Retail Price: $599.99 Quantity in Basket: none