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Aluminum big bore (+4 / 94mm) cylinder w/ nickel-carbide coating designed w/ wider water jackets
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12.4:1 (+4 / 94mm) forged moly coated matched piston kit, piston pin, retaining clips, ring set
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Athena complete top end gasket set
Kit all version and years of the DRZ400 E/ S/ SM 2003-2012
This is the entire cylinder no core charge or sleeving required, true bolt on equipment.
No other mods needed, can be converted back over to stock specs again with your factory parts
Check out are other listings for gaskets, big bore hotcams cams, cranks, exhaust and may other of your ATV and bike needs
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