Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Cometic Chevy 1955-1985 Gen1 Small Block V8 Rear Main Seal-Align Honed 400 & Aluminum Block-2 Piece

SKU: CGSC5681

Rear Main Seals

CG Main Seals...

Cometic Chevy 1955-1985 Gen1 Small Block V8 Rear Main Seal-Align Honed 400 & Aluminum Block-2 Piece

SKU: CGSC5681

Rear Main Seals

CG Main Seals...

A$116.51
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

COMETIC Viton is a fluoroelastomer, or high end rubber. Top of the scale for heat resistance, chemical resistance and durability. Viton with Larger 2.841" O.D.

Product Overview

COMETIC Viton is a fluoroelastomer, or high end rubber. Top of the scale for heat resistance, chemical resistance and durability. Viton with Larger 2.841" O.D.


Features and Benefits

  • Durability

Product Details

Description:Chevrolet 1955-1985 Gen-1 Small Block V8 Rear Main Seal
Engine Block Configuration:Aluminum Blocks
Engine:GM Gen I Small Block V8 400ci
Material:Viton Rubber
Part Number:cgsC5681
Position:Rear
Prop 65 (C, R or CR):CR
Prop 65 - Short Label:Prop_65.jpg
Prop 65 Warning Label:Prop_65.jpg
Prop 65 Yes/No:Yes
Rear Main Seal Style:2 piece rear main seal
Title:Cometic Gasket Automotive Chevrolet 1955-1985 Gen-1 Small Block V8 Rear Main Seal, Align Honed 400 & Aluminum Block, 2 Piece
WARNING CA Proposition 65 Message:The state of California has determined that certain chemicals used in the manufacture of this product have been known to cause cancer and birth defects. For more information; visit www.p65Warnings.ca.gov
WARNING CA Proposition 65:Yes

Part Type

Engine Crankshaft Seal

Data: v4.2 - Upd: 2026-10-13 23:59:08

Features

  • All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
  • Durability

Specifications

Product Attributes - Brand
Cometic
Product Attributes - Manufacturer's Part Number
C5681
Product Attributes - Part Type
Rear Main Seals
Product Attributes - Product Line
Cometic Rear Main Seals
Product Attributes - UPC
191070023058
Product Attributes - Rear Main Seal Style
2-piece
Product Attributes - Rear Main Seal Material
Rubber
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Designed to fit align honed blocks with a bore diameter of 2.841 in.

Reference Information

Brand Name/s Cometic Gasket
StreetFX SKU cgsC5681
SFX Item ID 4174000
Supplier Item Code 4174000
Manufacturer SKU C5681
Manufacturer UPC 191070023058
Alternative References CAGC5681, CGT-C5681, Gen1, Block-2

Compatibility

Loading compatibility information...

Keep shopping

More from Cometic Gasket