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OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.
Cylinder Works
Cylinder Works 21-23 Gas-Gas EX 250 F 250cc Standard Bore Cylinder 78mm
$512.00
Sale price
$512.00
Regular price
$538.95