Moroso 20377 Aluminum 2-Piece Wet Sump Oil Pan for Big Block Chevy Mark IV

The Moroso 20377 is a high-performance aluminum wet sump oil pan designed specifically for Big Block Chevy Mark IV engines with external oil pump configurations. This 2-piece construction provides excellent durability while keeping weight to a minimum compared to traditional steel pans.

Key Features:

• Lightweight aluminum construction for reduced overall engine weight
• 2-piece design for easier installation and serviceability
• Engineered specifically for Big Block Chevy Mark IV applications
• Designed for use with external oil pump systems
• Wet sump configuration maintains oil supply during high-performance operation
• Precision-manufactured by Moroso for quality fitment and performance

This oil pan is ideal for street performance, racing, and high-output Big Block Chevy builds where reliable oiling and weight savings are priorities. The aluminum construction helps dissipate heat more effectively than stock steel pans while the wet sump design provides adequate oil capacity for demanding applications.