ATV Big Bore Kits
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Cylinder Works
Standard Bore High Compression Cylinder Kit
Standard Bore High Compression Cylinder Kit
$388.10 - 866.87
Sale
Up to 10%

Moose
Replacement Cylinder
Replacement Cylinder
$259.95 - 362.95




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Most Recent ATV Big Bore Kits Reviews

Athena Big Bore Kit
Caleb - Battle ground wa Well mostly good. "I bought the kit for my 2001 yz125 . The new head for the cylinder had a little dent in it. Either form manufacturing or shipping. I didn’t use it because I didn’t want to risk it being faulty. Hard to see in a picture, but straight edge won’t sit flat across."See all reviews for this product

KTM PowerParts SXS Big Bore Kit
Gwk565 - Michigan 300cc kit "Didn’t come with the power valve covers but no biggie. Great kit can’t wait to ride!"See all reviews for this product