We offer many Hi Performance Big Bore Piston & Cylinder kits for ATV, Motorcycle, Jet ski, PWC, or Snowmobile Engines.

Please Call for pricing 618-949-3898

Honda Motorcycles

XR50 to 88cc

CRF50F to 88cc

CR80 to 105cc

XR70 to 88cc

XR100 to 120cc

CRF100F to 120cc

CRF150R to 170cc

CR250 to 295cc

CR250 to 295cc

XR250R to 285cc

XR250L to 285cc

XR400 to 440cc OR 445cc

CRF450r to 500cc

XR XL500 to 567cc

XR600 to 630cc

XR650L to 720cc

XR650R to 680cc

Niks complete Honda big bore cylinder kits

CR250 to 330cc

CR250 to 350cc

Honda ATV

ATC250R to 295cc

TRX250R to 295cc

ATC350X to 452cc

TRX400EX to 445cc

TRX450r to 480cc

Niks complete Honda ATV big bore cylinder kits

ATC250R to 302cc

TRX250R to 330cc

TRX250R to 350cc

Kawasaki Motorcycles

KX65 to 71cc

KX80 to 100cc

KX85 to 107cc

KLX110 to 130cc

KX125 to 134cc

KDX200 to 240cc

KDX220 to 240cc

KX250 to 295cc

KLX300 to 330cc

KLX400 to 453cc

KX500 to 540cc

Kawasaki Atv

KFX80 to 105cc

KXT250 to 295cc

KFX400 to 440cc

KFX400 to 453cc

KFX650 to 785cc

KFX700 to 785cc

700 4x4 to 785cc

Suzuki Motorcycles

RM65 to 71cc

RM85 to 100cc

DRZ110 to 130cc

RM125 to 134cc

DRZ125 to 143cc

RM250 to 295cc

DRZ250 to 300cc

DRZ350 to 385cc

DR350 to 450cc

DRZ400 to 453cc

Suzuki ATV

LT80 to 105cc

LT230 to 260cc

LTZ400 to 453cc

LT500 to 530cc

Yamaha Motorcycles

YZ80 to 109cc

YZ85 to 109cc

YZ125 to 134cc

TTR125 to 145cc

Dt200 to 240cc

IT200 to 240cc

TTR250 to 300cc

YZ400f to 420cc

YZ426 to 444cc

YZ450f to 470cc

WR400 to 420cc

XT500 to 534cc

TT500 to 534cc

XT600 to 635cc

XT600 to 675cc

Niks complete Yamaha big bore cylinder kits

YZ 250 to 330cc

Yamaha ATV

YFM350 to 385cc

Kodiak 400 to 425

Big Bare 400 to 425

YZF 450 to 470cc

Blaster 200 to 240cc

Banshee 350 to 409cc

Grizzly 600 to 635cc

Grizzly 600 to 675cc

Grizzly 660 to 727cc

Raptor 660 to 727cc

Niks complete Yamaha ATV big bore cylinder kits

Blaster 200 to 240cc

Banshee 350 to 409cc