This special-order item requires extra processing time; we’ll email you the ETA after your order, or you can use the contact form with your shipping address and item name to request it.

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

Edelbrock

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

$77.95 USD
$77.95 USD
Sold Out

Details

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.

Warranty
Technical Bulletin

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
Trusted Performance Specialists Since 1996  •  60,000+ Builds Powered  •  Authorized Dealer of 250+ Brands
📧 Contact Us | 🕐 Mon–Fri 9am–6pm PST | ↩ Reply within 1 business day

Join the Insider List

Exclusive deals, new product drops, and fitment guides — direct to your inbox.

FOLLOW US

affirm 0% financing on orders $500+
VISA MC AMEX Shop Pay
SP Engineering  •  424 Turnbull Canyon Rd, City of Industry, CA 91745  •  Est. 1996
© 2026 SP Engineering. All rights reserved.