Super Series 7 Quart Rear Sump Oil Pan

The Stef's 1141-12.5 Super Series oil pan is a high-performance aluminum rear sump solution engineered for Big Block Chevy Mark IV engines. Featuring a kick-out design and constructed with 3/8" thick billet end rails, this pan ensures a leak-free seal. It is specifically designed for engines employing a 2-piece rear main seal and accommodates standard/OEM width pan rails. This drag race-oriented pan boasts an 8" depth and a 7-quart capacity (plus filter). It includes internal features such as a drag baffle with trap doors, accel and decel ledges, an aluminum bolt-in sump tray, a coated windage tray, and a magnetic drain plug for enhanced oil control and debris management. The design also incorporates stroker rod notches to clear crankshaft strokes up to 4.75" with steel rods and fits a 168-tooth flywheel. It is compatible with Nippondenso or Hitachi style starters. When ordering, customers can select between OEM pan rail bolt locations or aftermarket bolt locations aligned with the center 3 main caps. Mounting hardware is included. It is important to note that this pan *will NOT fit* with an internal Titan billet oil pump.