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.
This Part Fits:
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 |
