DID's engine timing chain / cam chain system has earned a high reputation for meeting the demanding requirements of high-power, high-performance engines. Excellent wear resistance, fatigue strength and silencing effect Shock strength capable of withstanding high speed operation Can meet the conditions required for today's high performance engines 25/25H = roller chain with increased wear resistance due to cold-forged bushings and heated treated pins SCA / SCR = silent chain with DID optimised link-plate design and special pin surface treatment to achieve superior wear resistance, less noise and less vibration We recommend all bike parts are fitted and tested by qualified professionals. Fits: Suzuki GS500F 2004-2010 Yamaha XV750 VIRAGO 1995-1997

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