SP-61 18x7.5 4x100 +38mm Wheel

The Spec-1 SP-61 is an 18-inch aftermarket wheel engineered to enhance the appearance and performance of sports cars, sedans, and performance vehicles. This wheel showcases a striking gloss black and machined finish, complemented by a deep-concave profile and sharp, multi-spoke geometry that defines its aggressive street aesthetic. Constructed from high-grade aluminum alloy using a cast process, the SP-61 offers a balance of lightweight agility and structural integrity suitable for spirited daily driving. Its dimensions include an 8-inch width and an 18-inch diameter, with a +38mm offset designed to achieve a precise, aggressive "flush" fitment that aligns with contemporary tuning trends. The 73.1mm hub bore ensures a hub-centric, vibration-free installation on a wide range of vehicles. This wheel features a dual bolt pattern of 4x100 and 4x114.3 (4-4.5), offering broader compatibility.