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#54520431
Moroso 20431 Big Block Chevy Conversion Oil Pan
- 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
$430.99
/each
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$470.74
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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,
Key Specs
| MFG. Part # | 20431 |
| Brand | Moroso |
| Sump Style | Wet Sump |
| Sump Location | Rear |
| Rear Main Seal Style | 2-piece |
Need To Know
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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 IIPassenger side dipstick.
Charts
Instructions (PDF)
Guides & Documents
Moroso 20431 Specifications
Moroso 20431 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 20431 |
| Brand | Moroso |
| Sump Style | Wet Sump |
| Sump Location | Rear |
| Rear Main Seal Style | 2-piece |
| GENERAL | |
| Liquid Measurement | 7 quarts |
| Material Type | Steel |
| Depth | 9" |
| Finish | Black |
| Has Dipstick Provision | Yes |
| Dipstick Location | Passenger Side |
| Oil Inspection Plug | No |
| Baffled | No |
| Crank Scraper Included | No |
| Windage Tray Included | No |
| Dipstick Included | No |
| Drain Plug Thread | 1/2"-20 |
| Stroker Clearanced | Yes |
| Maximum Stroke with OE Rod | 4.25" |
| Kicked Out | No |
| Oil Pump Included | No |
| Hardware Included | No |
| Gaskets Included | No |
| Pickup Included | No |
| GTIN Code | 084663204319 |
| Notes | Designed for use w/out power steering and trans in stock position. |
| Sold in Quantity | Each |
Ratings & Reviews
5
2 Reviews
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.
Ratings & Reviews
5
2 Reviews
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
5
2
4
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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
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
View 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
View Answer
2 of 2 questions shown
Fitment
Fitment
1965 Chevy Bel Air
396 Chevy Big Block V8
1966-1969 Chevy Bel Air
396 Chevy Big Block V8
427 Chevy Big Block V8
1970-1972 Chevy Bel Air
402 Chevy Big Block V8
454 Chevy Big Block V8
1973-1975 Chevy Bel Air
454 Chevy Big Block V8
1965 Chevy Biscayne
396 Chevy Big Block V8
1966-1969 Chevy Biscayne
396 Chevy Big Block V8
427 Chevy Big Block V8
1970-1972 Chevy Biscayne
402 Chevy Big Block V8
454 Chevy Big Block V8
1969 Chevy Brookwood
396 Chevy Big Block V8
427 Chevy Big Block V8
1970-1972 Chevy Brookwood
402 Chevy Big Block V8
454 Chevy Big Block V8
1969 Chevy C10
396 Chevy Big Block V8
1970-1972 Chevy C10
402 Chevy Big Block V8
1973-1979 Chevy C10
454 Chevy Big Block V8
1968-1969 Chevy C10 Suburban
396 Chevy Big Block V8
1970-1972 Chevy C10 Suburban
402 Chevy Big Block V8
1973-1979 Chevy C10 Suburban
454 Chevy Big Block V8
1988 Chevy C15
454 Chevy Big Block V8
1990 Chevy C1500
454 Chevy Big Block V8
1991 Chevy C1500
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Mark IV 454 LS5
1992-1993 Chevy C1500
454 Chevy Big Block V8
1968-1969 Chevy C20
396 Chevy Big Block V8
1970-1972 Chevy C20
402 Chevy Big Block V8
1973-1987 Chevy C20
454 Chevy Big Block V8
1968-1969 Chevy C20 Suburban
396 Chevy Big Block V8
1970-1972 Chevy C20 Suburban
402 Chevy Big Block V8
1973-1986 Chevy C20 Suburban
454 Chevy Big Block V8
1991 Chevy C2500
Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19
1992-1995 Chevy C2500
454 Chevy Big Block V8
1996-1997 Chevy C2500
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1992-1995 Chevy C2500 Suburban
454 Chevy Big Block V8
1996-1997 Chevy C2500 Suburban
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1968-1969 Chevy C30
396 Chevy Big Block V8
1970-1972 Chevy C30
402 Chevy Big Block V8
1973-1986 Chevy C30
454 Chevy Big Block V8
1988-1990 Chevy C3500
454 Chevy Big Block V8
1991 Chevy C3500
Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19
1992-1995 Chevy C3500
454 Chevy Big Block V8
1996-1997 Chevy C3500
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1967 Chevy Camaro
Chevy Big Block V8 Mark IV 396 L35
Chevy Big Block V8 Mark IV 396 L78
1968-1969 Chevy Camaro
Chevy Big Block V8 Mark IV 396 L34
Chevy Big Block V8 Mark IV 396 L35
Chevy Big Block V8 Mark IV 396 L78
427 Chevy Big Block V8
1970-1972 Chevy Camaro
402 Chevy Big Block V8
1966-1969 Chevy Caprice
396 Chevy Big Block V8
427 Chevy Big Block V8
1970-1972 Chevy Caprice
402 Chevy Big Block V8
454 Chevy Big Block V8
1973-1976 Chevy Caprice
454 Chevy Big Block V8
1965-1969 Chevy Chevelle
396 Chevy Big Block V8
1970-1972 Chevy Chevelle
402 Chevy Big Block V8
454 Chevy Big Block V8
1973 Chevy Chevelle
454 Chevy Big Block V8
1968 Chevy Chevy II
396 Chevy Big Block V8
1965 Chevy Corvette
396 Chevy Big Block V8
1966-1969 Chevy Corvette
427 Chevy Big Block V8
1970-1974 Chevy Corvette
454 Chevy Big Block V8
1966-1969 Chevy El Camino
396 Chevy Big Block V8
1970-1972 Chevy El Camino
402 Chevy Big Block V8
454 Chevy Big Block V8
1973-1975 Chevy El Camino
454 Chevy Big Block V8
1969 Chevy Estate
396 Chevy Big Block V8
427 Chevy Big Block V8
1970 Chevy Estate
402 Chevy Big Block V8
454 Chevy Big Block V8
1996-2000 Chevy Express 2500
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1996-2000 Chevy Express 3500
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1988-1990 Chevy G30
454 Chevy Big Block V8
1991 Chevy G30
Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19
1992-1995 Chevy G30
454 Chevy Big Block V8
1996 Chevy G30
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1965 Chevy Impala
396 Chevy Big Block V8
1966-1969 Chevy Impala
396 Chevy Big Block V8
427 Chevy Big Block V8
1970-1972 Chevy Impala
402 Chevy Big Block V8
454 Chevy Big Block V8
1973-1976 Chevy Impala
454 Chevy Big Block V8
1969 Chevy K10
396 Chevy Big Block V8
1970-1972 Chevy K10
402 Chevy Big Block V8
1973-1974 Chevy K10
454 Chevy Big Block V8
1968-1969 Chevy K10 Suburban
396 Chevy Big Block V8
1970-1972 Chevy K10 Suburban
402 Chevy Big Block V8
1973-1974 Chevy K10 Suburban
454 Chevy Big Block V8
1968-1969 Chevy K20
396 Chevy Big Block V8
1970-1972 Chevy K20
402 Chevy Big Block V8
1973-1974 Chevy K20
454 Chevy Big Block V8
1968-1969 Chevy K20 Suburban
396 Chevy Big Block V8
1970-1972 Chevy K20 Suburban
402 Chevy Big Block V8
1973-1974 Chevy K20 Suburban
454 Chevy Big Block V8
1985 Chevy K20 Suburban
454 Chevy Big Block V8
1991 Chevy K2500
Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19
1992-1995 Chevy K2500
454 Chevy Big Block V8
1996-1997 Chevy K2500
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1992-1995 Chevy K2500 Suburban
454 Chevy Big Block V8
1996-1997 Chevy K2500 Suburban
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1968-1969 Chevy K30
396 Chevy Big Block V8
1970-1972 Chevy K30
402 Chevy Big Block V8
1977-1986 Chevy K30
454 Chevy Big Block V8
1988-1990 Chevy K3500
454 Chevy Big Block V8
1991 Chevy K3500
Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19
1992-1995 Chevy K3500
454 Chevy Big Block V8
1996-1997 Chevy K3500
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1969 Chevy Kingswood
396 Chevy Big Block V8
427 Chevy Big Block V8
1970-1972 Chevy Kingswood
402 Chevy Big Block V8
454 Chevy Big Block V8
1973-1975 Chevy Laguna
454 Chevy Big Block V8
1965-1967 Chevy Malibu
396 Chevy Big Block V8
1973-1975 Chevy Malibu
454 Chevy Big Block V8
1970-1972 Chevy Monte Carlo
402 Chevy Big Block V8
454 Chevy Big Block V8
1973-1975 Chevy Monte Carlo
454 Chevy Big Block V8
1969 Chevy Nova
396 Chevy Big Block V8
1970 Chevy Nova
402 Chevy Big Block V8
1975-1990 Chevy P30
454 Chevy Big Block V8
1991 Chevy P30
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Mark IV 454 LS5
1992-1995 Chevy P30
454 Chevy Big Block V8
1996-1997 Chevy P30
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1972 Chevy P30 Van
402 Chevy Big Block V8
1973-1974 Chevy P30 Van
454 Chevy Big Block V8
1987-1988 Chevy R20
454 Chevy Big Block V8
1987-1988 Chevy R20 Suburban
454 Chevy Big Block V8
1989 Chevy R2500
454 Chevy Big Block V8
1989-1990 Chevy R2500 Suburban
454 Chevy Big Block V8
1991 Chevy R2500 Suburban
Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19
1987-1988 Chevy R30
454 Chevy Big Block V8
1989-1990 Chevy R3500
454 Chevy Big Block V8
1991 Chevy R3500
Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19
1969 Chevy Townsman
396 Chevy Big Block V8
427 Chevy Big Block V8
1970-1972 Chevy Townsman
402 Chevy Big Block V8
454 Chevy Big Block V8
1987-1988 Chevy V20 Suburban
454 Chevy Big Block V8
1990 Chevy V2500 Suburban
454 Chevy Big Block V8
1987-1988 Chevy V30
454 Chevy Big Block V8
1989-1990 Chevy V3500
454 Chevy Big Block V8
1991 Chevy V3500
Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19
1975-1978 GMC C15
454 Chevy Big Block V8
1975-1978 GMC C15 Suburban
454 Chevy Big Block V8
1973-1974 GMC C15/C1500 Pickup
454 Chevy Big Block V8
1973-1974 GMC C15/C1500 Suburban
454 Chevy Big Block V8
1979 GMC C1500
454 Chevy Big Block V8
1979 GMC C1500 Suburban
454 Chevy Big Block V8
1975-1978 GMC C25
454 Chevy Big Block V8
1975-1978 GMC C25 Suburban
454 Chevy Big Block V8
1967-1970 GMC C25/C2500 Pickup
396 Chevy Big Block V8
1971-1972 GMC C25/C2500 Pickup
402 Chevy Big Block V8
1973-1974 GMC C25/C2500 Pickup
454 Chevy Big Block V8
1967-1970 GMC C25/C2500 Suburban
396 Chevy Big Block V8
1971-1972 GMC C25/C2500 Suburban
402 Chevy Big Block V8
1973-1974 GMC C25/C2500 Suburban
454 Chevy Big Block V8
1979-1986 GMC C2500
454 Chevy Big Block V8
1988-1990 GMC C2500
454 Chevy Big Block V8
1991 GMC C2500
Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19
1992-1995 GMC C2500
454 Chevy Big Block V8
1996-2000 GMC C2500
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1979-1986 GMC C2500 Suburban
454 Chevy Big Block V8
1992-1995 GMC C2500 Suburban
454 Chevy Big Block V8
1996-1999 GMC C2500 Suburban
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1975-1978 GMC C35
454 Chevy Big Block V8
1967-1970 GMC C35/C3500 Pickup
396 Chevy Big Block V8
1971-1972 GMC C35/C3500 Pickup
402 Chevy Big Block V8
1979-1986 GMC C3500
454 Chevy Big Block V8
1988-1990 GMC C3500
454 Chevy Big Block V8
1991 GMC C3500
Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19
1992-1995 GMC C3500
454 Chevy Big Block V8
1996-2000 GMC C3500
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1967-1970 GMC K25/K2500 Pickup
396 Chevy Big Block V8
1971-1972 GMC K25/K2500 Pickup
402 Chevy Big Block V8
1967-1970 GMC K25/K2500 Suburban
396 Chevy Big Block V8
1971-1972 GMC K25/K2500 Suburban
402 Chevy Big Block V8
1994-1999 GMC K2500 Suburban
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1977-1978 GMC K35
454 Chevy Big Block V8
1967-1970 GMC K35/K3500 Pickup
396 Chevy Big Block V8
1971-1972 GMC K35/K3500 Pickup
402 Chevy Big Block V8
1979-1986 GMC K3500
454 Chevy Big Block V8
1988-1990 GMC K3500
454 Chevy Big Block V8
1991 GMC K3500
Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19
1992-1995 GMC K3500
454 Chevy Big Block V8
1996-2000 GMC K3500
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1987-1989 GMC R2500
454 Chevy Big Block V8
1987-1990 GMC R2500 Suburban
454 Chevy Big Block V8
1991 GMC R2500 Suburban
Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19
1987-1990 GMC R3500
454 Chevy Big Block V8
1991 GMC R3500
Chevy Big Block V8 Mark IV 454 L19
Chevy Big Block V8 Gen 5 454 L19
1996-2000 GMC Savana 2500
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1996-2000 GMC Savana 3500
Chevy Big Block V8 Gen 5 454 L19
Chevy Big Block V8 Gen 6 ZZ454 454
1971-1972 GMC Sprint
402 Chevy Big Block V8
454 Chevy Big Block V8
1973-1977 GMC Sprint
454 Chevy Big Block V8
1967 GMC Suburban
396 Chevy Big Block V8
402 Chevy Big Block V8