Click to enlarge

Moroso 6 Quart Oil Pan

Moroso 20412 oil pan.

Fits Mark 4 Chevrolet big block engines.

6 quart capacity.

8" depth.

Sump measures 8 3/4" front to back.

Clears rear steer center links in GM A body cars.

Trap door baffling for improved oil control.

Notched pan rails accpet strokes up to 4.250" with 4.50" with aluminum rods.

Compatible with most starters and flywheels.

Steel pan with clear zinc plating.

Compatible with Moroso 23030 windage tray, 23010 oil pan baffle, 25830 crank scraper, and 25970 universal dip stick kit.

TECH NOTE: Fits most chassis. Will not fit 1962-1967 Chevy2, Vega, Monza or 1955-1957 Chevy.

Scroll down the page for the oil pump pickup.

Moroso 20412 Chevy big block oil pan 6 quart 20412$259.97

Click to enlargeMr. Gasket 6086 Oil Pan Bolts for Moroso 20412 Oil Pan
MR. Gasket 6086 oil pan bolt kit.

Fits Chevy big block engines.

Works well with the Moroso 20412 oil pan.

INCLUDES:

Two 1/4 Inch 20 x 3/4 Inch Bolts.

Twenty 5/16 Inch - 18 x 3/4 Inch Bolts.

These oil pan bolt kits have a special smaller-than-standard hex head that is ideal for tight spaces.

Because of the hex flange head design, it will not back into the socket wrench, allowing for easier installation.

Special underhead serrations prevent loosening, and the wide flange head distributes uniform clamping pressure for an ultra gasket seal.

The Grade 5 bolts are zinc plated.

2-MR-Gasket-6086$19.97
Click to enlargeFelpro 1893 Oil Pan Gasket for Moroso 20412 Oil Pan
Felpro 1893 oil pan gasket for Moroso 20412 oil pan.

Constructed of rubber with a steel core.

Fits 1965-1990 Gen 4 big block stroker engine.

Trimmed for rod clearance.

FELPRO-1893$39.97
Click to enlargeMelling M77HV High Volume Oil Pump for Moroso 20412 Oil Pan
Melling M77HV high volume oil pump for Chevy big block engines.

Works well with the Moroso 20412 oil pan.

Approximately 25% higher oil volume than stock.

Standard oil pressure.

Uses press fit oil pump pickup tube.

TECH NOTE: Recommend Moroso 24440 oil pump pickup tube for use with the Moroso 20412 oil pan.

MELLING-M77HV$54.97
Click to enlargeMoroso 24440 Pickup Tube for Moroso 20412 Oil Pan
Moroso 24440 oil pump pickup is designed for the Moroso 20412 Chevrolet big block oil pan.

Works with stock oil pumps and Moroso 22150, 22160, 22162 oil pumps and Mellings M77 and M77HV oil pumps.

2MOR-24440$55.97
Click to enlargeMoroso 23010 Oil Pan Baffle for Moroso 20412 Oil Pan
Moroso 23010 Chevy big block oil baffle for use with Moroso 20412 oil pan.

The Moroso big block oil baffle is designed to prevent sump oil from reaching the crankshaft during hard acceleration.

The Moroso oil baffle mounts between the rear main bearing cap and the oil pump.

TECH NOTE: Baffle will need to be trimmed to match the oil pan used.

23010$15.97
Click to enlargeMoroso 25830 Crankshaft Wiper Scraper for Moroso 20412 Oil Pan
Moroso 25830 Chevy big block crankshaft wiper scraper.

Designed for use with the Moroso 20412 oil pan

Removes excess oil from the crankshaft to reduce horsepower robbing windage drag.

Made of .035" steel plate, comes fairly prefit so that only slight amounts of material trimming is required for the specific crankshaft used.

Trim to within .045" of the connecting rods and counterweights for best results.

Attaches between the block and the oil pan.

Moroso-25830$19.97
Click to enlargeMoroso 23030 Windage Tray for Moroso 20412 Oil Pan
Moroso 23030 windage tray for Chevy Mark 4 big block engines.

Designed for use with the Moroso 20412 oil pan.

The Moroso big block windage tray allows the oil thrown from the rotating assembly to drain back into the sump without splashing back.

Teflon coated for quick drainage.

Improved drainage reduces windage, increasing power.

Some trimming may be required depending on the oil pan used.

The Moroso louvered windage tray mounts with main cap stud kits with windage tray standoffs. (Standoffs not included.)

Moroso-23030$39.97
Click to enlargeMoroso 25970 Dip Stick for Moroso 20412 Oil Pan
Moroso 25970 universal engine oil dipstick.

Designed for use with the Moroso 20412 oil pan.

Chrome plated with a built-in 1.4" NPT fitting.

A 1/4" NPT steel weld-in fitting is supplied for pans that do not already have that provision.

Existing "full" and "fill" dipstick marks can be used "as is" or new marks can be added to indicate desired oil level.

Tube and universal mounting tab can be bent or modified to accomodate engine compartment clearances and mounting locations.

A rubber capping seal keeps the dipstick secure in the tube and prevents crankcase gasses from escaping.

Overall length including exposed portion of the dipstick is 24".

4-Moroso-25970$29.97

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