Signature Series Valve Covers for Buick 3.8L & 4.1L V6 '77 & Later (4486)
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Compatibility
- Platform
- Universal
- Vehicle-specific fitment
- Review application details below
- Need help?
- Confirm fitment with us before ordering — (714) 202-7886
We list the engine platform a part is built for. That is not year-and-trim application data, so it does not confirm a fit on your specific vehicle.
- Est. install labor: 2.5 hrs — $313 at $125/hr. Pick Install at HRC and a 20% labor deposit ($63) is due at checkout; the balance is due at completion.
- An estimate for a stock vehicle, not a quote — we confirm it in writing when you book, before any labor is authorized. Seized hardware, prior modifications, diagnosis and machine work are quoted separately; tuning is arranged through our tuning partner. Questions: (714) 202-7886.
- Warranty & track disclaimer — read before you race it.
- Shipping & returns — rates and RMA terms.
- Installed in-house in Huntington Beach, CA — labor & service policy.
- Affirm and PayPal available at checkout.
More ways to pay at checkout
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.
| Part Type | Engine Valve Cover Set |
|---|---|
| Finish | Chrome |
| Valve Cover Type | Short |
| RGL | WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov. |
| Family | Signature |
| Grommets Included | Yes |
| Hold Down Tabs Included | No |
| Grade Type | Standard |
| Series | Signature |
| Material | Steel |
| Contains Oil Baffles | No |
| Oil Filler Cap Included | No |
| Weight | 5.2 lb |
| UPC | 00085347044863 |
| Country of Origin | Taiwan |
Verified fitment · 100 applications
- Buick Century 3.8L (1977–1988)
- Buick Electra 3.8L (1985–1990)
- Buick Electra 4.1L (1980–1984)
- Buick LeSabre 3.8L (1977–1995)
- Buick LeSabre 4.1L (1980–1984)
- Buick Park Avenue (1992–1994)
- Buick Park Avenue 3.8L (1991)
- Buick Reatta 3.8L (1988–1991)
- Buick Regal 3.8L (1977–1995)
- Buick Regal 4.1L (1982–1984)
- Buick Riviera 3.8L (1986–1993)
- Buick Riviera 4.1L (1981–1984)
- Buick Skyhawk 3.8L (1977–1980)
- Buick Skylark 3.8L (1977–1979)
| Part No. | 4486 |
|---|---|
| Brand | Edelbrock |
| Part Type | Engine Valve Cover Set |
| Weight | 5.2 lb |
| UPC | 00085347044863 |
| Country of Origin | Taiwan |
Platform-level fitment (Ford + GM, Phase 1). We publish the engine platform a part is built for — not year-and-trim application data — so nothing here confirms a fit on a specific vehicle. Confirm fitment with us before ordering: (714) 202-7886.