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Learn MoreAthena offers a wide range of cylinder kits for off-road bikes with diameters and portings completely re-designed as original spare parts and/or specific boost to be used on tracks. In particular, racing kits consist of lighter pistons with a flat head, special portings, an exhaust bridge, and a new cylinder head designed to increase the compression ratio and improve internal combustion. For specific bike models, Athena also supplies special long stroke Racing kits complete with crankshafts and reinforced connecting rods.
Additional Specification:
All Athena products, which are manufactured with higher displacement and power than those permitted by law of the country where the end user lives, are intended solely for competition-sports usage.
Product Variant | Manufacturer Part # |
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112cc Athena Big Bore Stroker Kit | P400485100039 |
WARNING: This product contains chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. Wash hands after handling. For more information, go to www.P65Warnings.ca.gov.