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Dirt Bike Big Bore Kits

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6 Results

Exact Fit
New
$42 Fast cash

Cylinder Works
Big Bore Kit

$751.40
Sale
Save 5%
4.5 out of 5 stars (27) reviews
Video Available
Exact Fit
$35 Fast cash
Exact Fit
New
$32 Fast cash

Cylinder Works
Standard Bore High Compression Cylinder Kit

$600.91
Sale
Save 15%
5 out of 5 stars (4) reviews
Video Available
Exact Fit
$4 Fast cash

Athena
Big Bore Gaskets

$24.99
Sale
Save 11%
4 out of 5 stars (6) reviews
Exact Fit
$5 Fast cash

Cylinder Works
Big Bore Gasket Set

$97.80
Sale
Save 5%
5 out of 5 stars (4) reviews
Video Available
Exact Fit
$16 Fast cash

Cylinder Works
Cylinder Head Kit

$583.06
Sale
Save 15%
5 out of 5 stars (4) reviews

Dirt Bike Big Bore Kits

Install a big bore kit for optimum power in your dirt bike to tackle the roughest terrain, gnarliest hills and get an edge on the competition. Find a wide range of dirt bike big bore kits at MotoSport that fit many makes, models and years including CRF125f and other 125cc pit bikes. When deciding on a big bore kit for your ride, use the Fitment Expert on the product page to ensure the right big bore kit for your dirt bike. Most big bore kits include a cylinder, piston, ring(s), pin, clips and to p-end big bore gasket kit. If you want help finding the right big bore for your dirt bike please call 503-783-5645 to talk to a gearhead who can answer questions and point you in the right direction so you can make an informed buying purchase.