4th Of July Sale Save Up To 65% Off Shop Now
Account
CLOSE
Shipping to US Flag United States
Free shipping over $79
  • Ramps
Enter To WIN 2022 Ultimate ClubMX Bike Sweepstakes Enter Now

Dirt Bike Big Bore Kits

Refine

18 Results

$50 Fast cash

Athena
Big Bore Kit

$287.06 - 1259.96
Clearance
Up to 10%
4 out of 5 stars (12) reviews
$40 Fast cash

Cylinder Works
Standard Bore Cylinder Kit

$319.96 - 813.51
Sale
Up to 24%
5 out of 5 stars (4) reviews
Video Available
$55 Fast cash

Cylinder Works
Big Bore Kit

$458.91 - 1066.21
Sale
Up to 10%
4.5 out of 5 stars (20) reviews
Video Available
$5 Fast cash

Cylinder Works
Cylinder

$242.96 - 460.78
Sale
Up to 10%
4.5 out of 5 stars (18) reviews
Video Available
$45 Fast cash

KTM PowerParts
SXS Big Bore Kit

$831.99 - 1099.99
5 out of 5 stars (12) reviews
$40 Fast cash

Cylinder Works
Standard Bore High Compression Cylinder Kit

$388.10 - 823.96
Sale
Up to 20%
5 out of 5 stars (3) reviews
Video Available
$5 Fast cash

Cylinder Works
Cylinder Head Kit

$154.49 - 370.76
Sale
Up to 19%
4 out of 5 stars (1) review
$30 Fast cash

Athena
Factory Cylinder Kit

$684.86 - 783.86
Sale
Up to 10%
4.5 out of 5 stars (12) reviews
$5 Fast cash

Cylinder Works
Big Bore Gasket Set

$29.99 - 134.96
Sale
Up to 11%
5 out of 5 stars (4) reviews
Video Available
$95 Fast cash

GYTR
Ported Cylinder Head Assembly

$2122.99
5 out of 5 stars (2) reviews
$35 Fast cash

Athena
Stock Cylinder Kit

$293.36 - 816.26
Sale
Up to 10%
$40 Fast cash
$15 Fast cash

Wiseco
12.5:1 Big Bore Kit

$352.02
Sale
Save 21%

Big Bore Kits for Dirt Bikes

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. 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 top-end big bore gasket kit. If you want help finding the right big bore for your dirt bike please call 1-888-676-8853 to talk to a gearhead who can answer questions and point you in the right direction so you can make an informed buying purchase.

MotoSport delivers all big bore kits fast and orders more than SHIPPING_THRESHOLD ship free!.