Gram Lights 57DR 18x9.5 +38 5x120 *Set of 4* System Motorsports Wheels Gram Lights 57DR 18x9.5 +38 mm reviews Gram Lights 57DR 17x9 +38 5x100 HS Gunmetallic Sensei 6 189.5 +38 Gram Lights 57DR Jackson Racing Gram Lights 57XR X Bronze 17x8 6x139.7 +0 WGJXP00KA. This Gram Light 57DR is the most affordable wheel made by Rays Engineering. When making this design, Rays optimized the design and construct while still ensuring proper strength and rigidity.The 57DR is a cast wheel, so it will be heavier than Forged and other Flow Formed Wheels, however, this semi gloss black wheel is meant to withstand the abuse of the track and is just as strong if not stronger than any wheel out there.Cast one piece wheel meeting JWL + R Spec 1 standardsModeled after the 57D, but exclusive to the American MarketHigh rigidity high strength models suitable for RacingGunblueHigh speed air valve includedOptional center caps sold separatelyMade by Rays Co., Ltd. in Japan