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Dirt Bike Big Bore Kits

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10 Results

Exact Fit
$40 Fast cash

Athena
Big Bore Kit

$938.99
Sale
Save 10%
4 out of 5 stars (16) reviews
Exact Fit
New
$46 Fast cash

Cylinder Works
Big Bore Kit

$933.80
Sale
Save 5%
4.5 out of 5 stars (27) reviews
Video Available
Exact Fit
New
$33 Fast cash

Cylinder Works
Standard Bore Cylinder Kit

$761.56
Sale
Save 15%
4 out of 5 stars (12) reviews
Video Available
Exact Fit
New
$30 Fast cash

Cylinder Works
Cylinder

$500.60
Sale
Save 5%
4.5 out of 5 stars (27) reviews
Video Available
Exact Fit
$20 Fast cash

Cylinder Works
Top End Kit With Cylinder - 4-Stroke

$866.10
Sale
Save 17%
5 out of 5 stars (7) reviews
Exact Fit
$35 Fast cash
Exact Fit
New
$32 Fast cash

Cylinder Works
Standard Bore High Compression Cylinder Kit

$761.56
Sale
Save 15%
5 out of 5 stars (4) reviews
Video Available
Exact Fit
$4 Fast cash

Athena
Big Bore Gaskets

$44.77
Sale
Save 30%
4 out of 5 stars (6) reviews
Exact Fit
$5 Fast cash

Cylinder Works
Big Bore Gasket Set

$136.75
Sale
Save 5%
5 out of 5 stars (4) reviews
Video Available

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.