Varibelt VX TIMING BELTS are manufactured to meet the same RMA/ISO Standards as all other major American or European Manufacturers’ belts of the same type. Designed to perform at identical or higher levels, Varibelt VX TIMING BELTS are dimensionally and functionally equivalent to TIMING BELTS produced by major American and European manufacturers. Aramid Cord construction is available. We can manufacture all timing belts with Aramid cord construction.