PWK 38mm Air Striker Adapter Kit for 2012-14 KTM 250/300 XCW, 2011 250/300XC, SX PWK 38mm Air Striker Adapter Kit for 2012-14 KTM 250/300 XCW, 2011 250/300XC, SX KTM 2-Stroke 250300 POWER VALVE TUNING -Picture Gallery