This pan fits GM 1978-1987 Metric Chassis, aftermarket and Camaro front ends. It accepts 3.80" stroke with steel rods and will not fit engines with splayed main caps. Comes with a removable louvered windage tray, built-in crank scraper and trap doors for oil control. Accepts most started and flywheel combinations. 7.5" x 10" x 11" wet sump. Left hand dipstick.