Suzuki Genuine Accessories. Custom-crafted billet accessories are CNC-machined solid billet aircraft-quality aluminum to meet Suzuki's exacting standards. The finished pieces are treated with Zinc-Aid for maximum adhesion and triple chrome-plated for a dazzling, long-lasting shine. Detailed Specifications: Backrest Set with everything needed to install a backrest onto the Suzuki Boulevard S40 ONLY. Includes backrest with pad and hardware. Suzuki Genuine Accessories P/N: 46200-24812.