Product Summary

Wet Sump Sump Style, Rear Sump Location, Steel, Black

  • Has a notched rear sump clears steering linkage
  • It accepts strokes up to 4.250" with steel rods, 4.090" with aluminum rods
  • Is compatible with most starter/flywheel combinations
  • Includes a 1/4" NPT Thread for dipstick assembly
  • Engineered to fit in a Tri-Five Chevy or Chevy II,
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Key Specs

MFG. Part #20431
BrandMoroso
Sump StyleWet Sump
Sump LocationRear
Rear Main Seal Style2-piece
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Need To Know

Quick and Easy Returns

Return Policy

Moroso 20431 Details

If you have ever tried to put a B/B chevy in a Tri-Five Chevy or Chevy II, you know there just isnt much room. This pan was designed to make the job a little easier. This pan has a 7 quart capacity (w/o filter) and accepts up to a 4-1/4" stroke with steel rods.

  • Pick-up 54524430 is required for installation
  • Notched rear sump clears steering linkage
  • Accepts strokes up to 4.250" with steel rods, 4.090" with aluminum rods
  • Compatible with most starter/flywheel combinations
  • 1/4" NPT Thread for dipstick assembly, suggested dipstick # 545-25971

Fits Mark IV style 396-454 (except Gen V and Gen VI) Big Block Chevy V-8s. For 1962-67 Chevy II (without power steering) and 1955-57 Chevys. Transmission MUST be in stock position.

Please see below for suggested oil pump pick-up.

Item Details

55-57 Chevy, 62-67 Chevy II
Passenger side dipstick.

Charts

Moroso 20431 Specifications

KEY SPECS
MFG. Part #20431
BrandMoroso
Sump StyleWet Sump
Sump LocationRear
Rear Main Seal Style2-piece
GENERAL
Liquid Measurement7 quarts
Material TypeSteel
Depth9"
FinishBlack
Has Dipstick ProvisionYes
Dipstick LocationPassenger Side
Oil Inspection PlugNo
BaffledNo
Crank Scraper IncludedNo
Windage Tray IncludedNo
Dipstick IncludedNo
Drain Plug Thread1/2"-20
Stroker ClearancedYes
Maximum Stroke with OE Rod4.25"
Kicked OutNo
Oil Pump IncludedNo
Hardware IncludedNo
Gaskets IncludedNo
Pickup IncludedNo
GTIN Code084663204319
NotesDesigned for use w/out power steering and trans in stock position.
Sold in QuantityEach

Ratings & Reviews

5

2 Reviews

Overall Assessment

Product reviews highlight its top-notch quality, usability, and safety. Customers praise it as the "right part," contributing to easy big block tri-5 swaps, proving practical for car modification endeavors. The material's quality is robust, and there's a positive recommendation for repeated purchases. Its direct application on a '55 Chevy signifies broad versatility, setting it apart from competitors.

5

2 reviews

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Filter by Ratings

Right part 💯

5.0

3 years ago

55

🇨🇦 Canada

Verified

Making my big block tri 5 swap easy

Would Recommend

I would buy this product again

5.0

14 years ago

Ted

Pennsylvania

Verified

Used on a 55 chevy

Would Recommend

Showing 2 of 2 reviews

Questions & Answers

2 Questions • 2 Answers

I Just Purchased This Moroso Pan #545-20431 It Has A Oil Dipstick Bung Welded To The Side of Pan.This Bung Is Threaded On The Inside,What Dipstick and Tube Do I use?? ALSO The Dipstick Will not Go Into The Sump Of The Pan,How Do I Get A Correct Reading On

by

• 15 years ago

1 answer

Has anyone used this pan on a 55 chevy with motor moved forward 3/4 inch to clear heads from firewall.?Tryed making my own pan and my welds leek. I have stock steering with 454 4SPD. thanks Gregg

by Gregg

• 15 years ago

1 answer

2 of 2 questions shown

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