The Rocket Injector Series wheels are sculpted to perfection and hold true to the golden age of Detroit automotive performance. The Rocket Injector will be available in Fully Polished and Full "As-Cast" finishes. 1-pc Cast Aluminum A356 Fully Polished - Rear Wheel Drive Offsets - Polished Aluminum Snap-in O-Ring Cap Included - Lug Centric - Standard Conical Seat 60 Degree Lugs sold separately - 3.00" hub clearance under center cap - Load Rating 1560 lbs per wheel - Reverse Mount. RPM is committed to producing cutting-edge alloy wheels through performance and innovation with the highest quality standards to enhance the performance and appearance. The ultimate result is that your ride will get noticed at the next cruise-in or car show. To better serve the market, RPM designers and engineers carefully chose better backspacing and offsets to fit on more specific types of muscle car, street rod, hot rod applications.