2021-22 Engine Catalog

GASKETS

Oldsmobile 260-455 Oil Pan Gaskets Application

Mr. Gasket MRG490

Fel-Pro OEM

Mahle

Milodon

1964-76, 330-455

FELOS30471C † FELOS13419C †

M77OS32510

MIL40800

1964-82, 260-455, OEM Stock Replacement Cork-Rubber

† Fel-Pro OEM

Overhaul Gaskets

Application

Fel-Pro OEM

Fel-Pro

Edelbrock

1965-76, 400/425/455, Full Gasket Set

FELFS8171PT-4 †

FEL260-1008

1965-76, 400/425/455 Full Set, 1977-79 403 Full Gasket Set

— —

EDE7373 EDE7373

1965-76, Oldsmobile 403 1977-79, Full Gasket Set

FEL260-1104

† Fel-Pro OEM

Timing Cover & Water Pump Gaskets Part No.

Description

Fel-Pro OEM

FELTCS13417 †

1964-80, 330-455, OEM Stock Replacement, Blue Stripe Cork-Rubber

† Fel-Pro OEM

Rear Main Seals

Application

Mr. Gasket

Fel-Pro OEM

400-455 1965-76, 2-Piece

MRG1965 ††

FELBS13044-2 †

† Fel-Pro OEM †† 2-pc, silicone rubber seal

FASTENERS

Oldsmobile 260-455 Part No.

Description

Main Bolts ARP

ARP184-5001 ARP185-5001

High Performance 8740, 260-403, 2-Bolt Main Block, No Windage Tray High Performance 8740, 400, 455 2-Bolt Main Block, No Windage Tray

High-Performance Series fasteners are rated at 170,000 PSI. Main Studs ARP ARP184-5401

High Performance 8740, 350, 403 2-Bolt Main Block, No Windage Tray High Performance 8740, 400, 455 2-Bolt Main Block, No Windage Tray

ARP184-5001

ARP185-5401

Main studs feature a 190,000 PSI rating. Windage Tray Installation Stud Kit Milodon MIL81219

400/425/455, 2-Bolt Main, Windage Tray Studs with Stand-Offs, Kit

Connecting Rod Bolts ARP ARP184-6001

307-403 Small Block, High-Performance 8740 400-455 Big Block, High-Performance 8740 400-455 Big Block, High-Performance 8740, 2-Pack

ARP185-6001 ARP185-6021

ARP184-5401

High-Performance Series 8740 rod bolts are engineered with a 190,000 PSI rating.

472 2021-22 ENGINE BUILDER CATALOG

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