In 1971 SSR released the first 3 piece wheel, the MK1. Aluminum wheels were in high demand and resulted in the creation of JWL (Japan Light Alloy Wheel) Certification in 1973. The Japanese Government incorporated this certification on aluminum wheels to improve quality and safety. JWL certification involves testing impact strength and endurance strength. SSR wheels are always put through JWL testing before they are used on the street or track. In 1981, a 3rd party statutory board the VIA (Vehicle Inspection Association) was created to verify JWL testing. Both the JWL and VIA logo are embossed into each and every SSR wheel representing dedication to quality control. SSR has always focused on manufacturing precise, lightweight, and strong wheels and will continue this tradition for years to come.
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