# Edelbrock Valve Cover Signature Series Buick 1977 and Later 3 8L and 4 1L V6 Chrome

The Edelbrock #4486 Signature Series Valve Covers are designed for Buick 3.8L & 4.1L V6 '77 & later applications. Engineered for function and styled for great looks, Signature Series valve covers have stock-style breather baffles that prevent oil passage to the PCV valve. These quality valve covers accept all emissions equipment, including PCV valve holes. Rubber grommets for the breather and PCV valve holes are included. Matching breathers sold separately.

-   Rubber Grommets For Breather

This Part Fits:

Year

Make

Model

Submodel

1977,1980-1981

Buick

Century

Base

1977-1979,1984-1988

Buick

Century

Custom

1980-1981,1984

Buick

Century

Estate

1985-1988

Buick

Century

Estate Wagon

1978-1981,1984-1988

Buick

Century

Limited

1984

Buick

Century

Olympia Limited

1977-1979

Buick

Century

Special

1978-1981

Buick

Century

Sport

1984-1986

Buick

Century

T-Type

1980-1990

Buick

Electra

Limited

1980-1990

Buick

Electra

Park Avenue

1989-1990

Buick

Electra

Park Avenue Ultra

1985-1990

Buick

Electra

T-Type

1977-1981,1987-1991

Buick

LeSabre

Base

1985

Buick

LeSabre

Collector's Edition

1977-1978,1982-1995

Buick

LeSabre

Custom

1979-1995

Buick

LeSabre

Limited

1982

Buick

LeSabre

Limited Edition F/E

1981

Buick

LeSabre

Sport

1987

Buick

LeSabre

T-Type

1991-1994

Buick

Park Avenue

Base

1991

Buick

Park Avenue

Ultra

1988-1991

Buick

Reatta

Base

1977-1987

Buick

Regal

Base

1990-1995

Buick

Regal

Custom

1982-1983

Buick

Regal

Estate Wagon

1987

Buick

Regal

GNX

1990-1995

Buick

Regal

Gran Sport

1987

Buick

Regal

Grand National

1978-1987,1990-1995

Buick

Regal

Limited

1982

Buick

Regal

Limited Turbo

1977

Buick

Regal

SR

1981-1984

Buick

Riviera

Base

1982

Buick

Riviera

Limited Edition

1983-1984,1986-1993

Buick

Riviera

Luxury

1981,1986-1989

Buick

Riviera

T-Type

1983

Buick

Riviera

XX Anniversary Edition

1977-1980

Buick

Skyhawk

Base

1980

Buick

Skyhawk

Designers' Accent Edition

1979-1980

Buick

Skyhawk

Road Hawk

1977-1980

Buick

Skyhawk

S

1977-1979

Buick

Skylark

Base

1978-1979

Buick

Skylark

Custom

1977-1979

Buick

Skylark

S

1978

Buick

Skylark

Sport

1977

Buick

Skylark

SR

## Details

- **Price:** 129.56 CAD
- **Vendor:** Edelbrock
- **Type:** Valve Covers

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 129.56 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - Primary
- Photo - out of package
- Photo - Unmounted
- User 1
- Photo - Unmounted
- Photo - Unmounted
- User 4
- Photo - out of package

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/edelbrock-valve-cover-signature-series-buick-1977-and-later-3-8l-and-4-1l-v6-chrome)
> Updated: 2026-06-27