Moroso 20005 BBC Mark IV Oil Pan Kit 8" Deep T-Sump with Windage Tray

The Moroso 20005 is a complete oil pan kit engineered for Big Block Chevy (BBC) Mark IV style engines with a 2-piece rear main seal. Built from heavy-gauge steel with a durable black powder coat finish, this 8-inch deep T-sump pan delivers reliable, high-performance oil control for street/strip and racing applications.

With a 7-quart capacity (plus filter), the 20005 features a factory-style T-sump design that maximizes oil volume while maintaining broad chassis compatibility. The integrated system includes a trap door baffle, crank scraper, and windage screen working together to reduce windage losses and ensure consistent oil pickup under hard acceleration, cornering, and braking.

Key Features:

• Steel construction with black powder coat finish by Moroso Powder Coating
• Wet sump design — 8 inches deep, 7-quart capacity (plus filter)
• T-sump configuration for improved oil control
• Integrated trap door baffle, crank scraper, and windage screen
• Clears 4.25" stroke with most steel rods; 4.090" stroke with most aluminum rods
• Engine application: BBC Mark IV style with 2-piece rear main seal (excludes Gen V and Gen VI)
• Fits most chassis — exceptions include 1962–1967 Chevy II, V8 Vega/Monza, and 1955–1957 Tri-Five Chevy

What's Included:

• Moroso oil pan
• High-volume oil pump and pickup
• Bolt kit
• Oil pan gasket

The Moroso 20005 is a complete bolt-on solution, providing everything needed for installation and offering a significant upgrade over stock oil pans in demanding performance and racing environments.