Silicone Rear Main Seal for 1959-1985 Chevy Small Block [Two Piece, Rope Seal Upgrade]

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MR GASKETPART NUMBER: 720-1960

Silicone Rear Main Seal for 1959-1985 Chevy Small Block [Two Piece, Rope Seal Upgrade]

Name: Silicone Rear Main Seal for 1959-1985 Chevy Small Block [Two Piece, Rope Seal Upgrade]
Brand: MR GASKET
SKU: 720-1960
Price: 29.36 USD
Availability: InStock

^$29³⁶

Ships on Nov 03, 2026

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^$14⁶⁷

555-212080

Rear Main Seal Fits 1959-1985 Small Block Chevy L6/V6/V8

^$14⁶⁹

Chevy

Silicone Rear Main Seal

1959-1985 Chevrolet Small Block Chevy with a Two Piece Rear Main Seal

Repairs a Leaking Rear Main

Upgrade for Rope Seal Equipped Engines

Direct Replacement for a Rubber Main Seal

Silicone

Two piece Small Block Chevy rear mains are famous for marking the driveway, and the original rope seal is usually the reason. Silicone stays flexible at oil temperatures that harden rope, and because it is injection molded it goes in as a defined shape rather than something you pack and hope.

Mr. Gasket 1960 Silicone Rear Main Seal Features:

Fits 1959-1985 Chevrolet Small Block Chevy engines with a two piece rear main seal.
Repairs a leaking rear main seal.
Silicone rubber withstands extreme engine oil temperatures.
Upgrade for rope seal equipped engines, or a direct replacement for a rubber main seal.
Injection molded for a precise fit.

Prevent Rear Main Oil Leaks

Mr. Gasket rear main seals are designed as OE replacements and are ideal for rebuilding your street/stock engine. Manufactured using high-quality injection-molded rubber for an excellent leakproof seal you can count on Mr. Gasket rear main seals for long-term durable performance.

Part TypeRear Main Seal Gasket

Product LineMr. Gasket Rear Main Seals

BrandMR GASKET

Package Height0.37

Package Width3.25

Package Length3.75

Weight0.08 PG

Part CategoryReplacement Parts

Rear Main Seal StyleTwo piece

MaterialSilicone

Part FitmentDirect Fit

Vendor Part Number1960

Package Qty1

Package TypeEA

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