480 kit, very fast !!! great replacement pistion, has all the power in the world and can run on super cause it doesn't need high comp piston, A+ from me !!
Athena has developed a wide range of forged pistons specifically for use in the off-road / ATV market and manufactured using a revolutionary computerized technology originating from GP & F1 racing. Athena forged pistons offer the best solution in terms of performance and reliability thanks to redesigned squish areas, modified compression characteristics and advanced surface treatments, which improve their fluidity.