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Dirt Bike Big Bore Kits

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23 Results

Cylinder Works
Top End Kit With Cylinder - 4-Stroke

$345.00 - 674.52
Sale
Up to 15%
5 out of 5 stars (4) reviews

Cylinder Works
Top End Kit With Cylinder - 2-Stroke

$463.10 - 481.93
Sale
Up to 10%
5 out of 5 stars (1) review

Athena
Factory Cylinder Kit

$638.99 - 730.99
Sale
Up to 10%
4.5 out of 5 stars (10) reviews

Cylinder Works
Cylinder Head Kit

$154.49 - 359.96
Sale
Up to 11%
4 out of 5 stars (1) review

KTM PowerParts
SXS Big Bore Kit

$831.99 - 998.99
5 out of 5 stars (10) reviews

Athena
Big Bore Stroker Kit

$845.99
Sale
Save 10%
3 out of 5 stars (2) reviews

GYTR
Ported Cylinder Head Assembly

$2122.99 - 2387.95
5 out of 5 stars (2) reviews

Athena
Big Bore Kit

$268.99 - 1189.99
Sale
Up to 10%
4.5 out of 5 stars (11) reviews

Cylinder Works
Big Bore Kit

$449.91 - 1063.49
Clearance
Up to 10%
4.5 out of 5 stars (11) reviews
Video Available

Cylinder Works
Cylinder

$209.03 - 418.10
Sale
Up to 10%
4.5 out of 5 stars (10) reviews
Video Available

Cylinder Works
Standard Bore Cylinder Kit

$369.99 - 818.99
Sale
Up to 10%
5 out of 5 stars (2) reviews
Video Available

Cylinder Works
Standard Bore High Compression Cylinder Kit

$388.10 - 854.42
Sale
Up to 10%
5 out of 5 stars (3) reviews
Video Available

Athena
Stock Cylinder Kit

$275.99 - 762.99
Sale
Up to 10%

Wiseco
12.5:1 Big Bore Kit

$307.00
Sale
Save 22%

Athena
Factory Cylinder Kit Gaskets

$36.99 - 55.99
Sale
Up to 10%
3.5 out of 5 stars (3) reviews

Athena
Big Bore Gaskets

$17.99 - 104.99
Sale
Up to 10%
5 out of 5 stars (4) reviews

Cylinder Works
Big Bore Gasket Set

$36.35 - 118.13
Clearance
Up to 10%
5 out of 5 stars (3) reviews
Video Available

KTM PowerParts
SXS Cylinder Head Combustion Chamber Insert

$59.99 - 166.99
Sale
Up to 10%
5 out of 5 stars (1) review

Most Recent Dirt Bike Big Bore Kits Reviews

Cylinder Works Big Bore Kit

Cylinder Works Big Bore Kit

DJ wr480 - Ca
5 out of 5 stars
Nice quality "Nice quality ..love the fact the piston is already matched to the cylinder have just under 200miles on it now only thing I didn't like was the single compression ring on the piston but it fills amazing on low end power and still happy with the end result"
See all reviews for this product
Athena Factory Cylinder Kit

Athena Factory Cylinder Kit

Ruralfamily - Alaska
3 out of 5 stars
Nice kit "Good quality except valves had to be re-ported. Extra labor for the cost of kit."
See all reviews for this product