1‑800‑243‑8355
Help
Contact Us
Free Shipping
Shipping Information
Manufacturer Rebates
How To Order
Payment Options
Return Policy
FAQs
Emissions Regulations
Gift Card Balance
Sponsorship Opportunities
Company
Request Catalog
OPGI Blog
Hours & Location
History
Frequent Buyer Points
Volume Discounts
Price Match Guarantee
Kit Swap Savings
Reviews
Careers
Clearance Sale
Archives
My Account
My Orders
My Wish List
As seen on
1966
LeMans
My Garage
14
View Garage
1966
Pontiac
LeMans
Shop Parts
Filter Search
1937
Cadillac
Series 75
Shop Parts
Filter Search
1976
Oldsmobile
Cutlass
Shop Parts
Filter Search
1993
Cadillac
Seville
Shop Parts
Filter Search
1981
GMC
C25/C2500
Shop Parts
Filter Search
1970
Pontiac
Bonneville
Shop Parts
Filter Search
1987
Cadillac
60 Special
Shop Parts
Filter Search
1953
Chevrolet
Advance Design
Shop Parts
Filter Search
1946
Cadillac
Series 60
Shop Parts
Filter Search
1950
Cadillac
Series 61
Shop Parts
Filter Search
1984
Buick
T-Type
Shop Parts
Filter Search
1937
Cadillac
Series 70
Shop Parts
Filter Search
1972
Oldsmobile
Cutlass
Shop Parts
Filter Search
1964
Pontiac
Catalina
Shop Parts
Filter Search
Shop All Parts
+ Add Vehicle
Catalogs
Cart
Have a Question?
Ask our Experts
Mon‑Fri 8:00‑4:30 PT
Experts Offline
Interior
Door Handles & Hardware
Door & Window Handles, Door Hinges
Emblems
Reproduction, Aftermarket, Kits, Hardware
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gauges & Accessories
Gauges, Panels, Kits, Sending Units
Interior Accessories
Armrests, Carpet, Flooring, Consoles, Dash, Door, Glove Box
Keys & Locks
Hardware, Keys, Locks, Sets, & Switches
Mirrors & Hardware
Mirrors, Mounting Hardware
Exterior
Decals
Decals, Body Stripes, Misc
Emblems
Reproduction, Aftermarket, Kits, Hardware
Exhaust
Mufflers, Headers, Pipes, Mainfolds, Tips, Kits
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gaskets & Seals
Adhesives, Gaskets, Seals, Weatherstripping
Keys & Locks
Hardware, Keys, Locks, Sets, & Switches
Lamps & Lenses
Headlights, Lamps, Lenses, Bulbs, Hardware
Mirrors & Hardware
Mirrors, Mounting Hardware
Wheels & Accessories
Lug Nuts, Bolts, Studs, Wheels, Accessories
Body Parts & Trim
Bumpers & Hardware
Bumpers, Hardware, Inserts, Brackets
Convertible Tops & Accessories
Tops, Moldings, Boots, Hardware
Door Handles & Hardware
Door & Window Handles, Door Hinges
Mirrors & Hardware
Mirrors, Mounting Hardware
Moldings
Front End, Rear, Side, Window, Hardware
Sheet Metal & Body Panels
Doors, Hoods, Fenders, Quarter, Trunk, Floor, Armrest
Trunk Panels & Accessories
Mats, Dividers, Hardware, Accessories
Vinyl Tops
Tops, Modlings, Clips
Window
Glass, Motors, Regulators, Hardware
Suspension & Brakes
Brake Systems
Disc, Drum, Master Cylinders, Boosters, Pumps, Valves
Chassis & Suspension
Bushings, Mounts, Chassis, Steering, Suspension
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Engine & Drivetrain
Air & Fuel Delivery
Air Cleaners, Filters, Carburetors, Pumps, Tanks, Manifolds
Cooling & Heating
Air Conditioning, Controls, Fans, Motors, Cores, Radiators, Thermostats, Heaters, Pumps, Ducts
Decals
Decals, Body Stripes, Misc
Drivetrain
Differentials, Driveshafts, Chaines, Shifters, Transmissions, Bearings, Seals
Emblems
Reproduction, Aftermarket, Kits, Hardware
Engines & Components
Belts, Pulleys, Camshafts, Heads, Oiling Systems, Engines
Exhaust
Mufflers, Headers, Pipes, Mainfolds, Tips, Kits
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Fittings & Hoses
Fittings, Clamps, Brackets, Hoses, Lines, Plugs, Tubing, Valves
Gaskets & Seals
Adhesives, Gaskets, Seals, Weatherstripping
Ignition & Electrical
Alternators, Wiring, Horns, Starters, Distributors
Oils, Fluids & Sealer
Oils, Fluids, Grease, Lubricants, Grease, Cleaners, Sealers, Glues
Windshield Washer
Bottles, Pumps, Arms, Motors, Switches, Hardware
Audio & Electric
Gauges & Accessories
Gauges, Panels, Kits, Sending Units
Ignition & Electrical
Alternators, Wiring, Horns, Starters, Distributors
Mobile Electronics
Antennas, Radios, Speakers, GPS, iPod, Bluetooth
Tools & More
Books
Owners Manuals, Service Manuals, History
Car Care & Paint
Covers, Cleaners, Waxes, Polishes, Paints, Coatings, Dyes, Markers
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gifts & Apparel
Shirts, Jackets, Hats, Plates, Garage Decor
Tools & Shop Equipment
Brake, Electrical, Engine, Fuel, Hand, Suspension, Wheel, Tire
×
We use cookies to ensure that we give you the best experience on our website. Click
here
for more information.
Got It
250th Anniversary Sale
Save up to 20% on Restoration - use code: USA250
Home
LeMans
1966
Engines & Components
Valve Covers & Dress-Up Kits
1966 Pontiac LeMans
Valve Covers & Dress-Up Kits
Filters
12
24
36
48
60
96
120
Relevance
Best Selling
A-Z ↓
Z-A ↑
Highest Price ↑
Lowest Price ↓
Newest Arrivals
×
Product Type
Aftermarket
37
Performance
17
Restoration
21
Part Type
Air Filter
1
Auto Trans Dipstick
1
Bolt Kit
4
Engine Block-Off Kit
1
Engine Crankcase Breather Cap
9
Engine Crankcase Breather Element
6
Engine Crankcase Vent Valve
1
Engine Dress Up Kit
1
Engine Valve Cover
14
Engine Valve Cover Bolt
8
Engine Valve Cover Bolt Kit
1
Engine Valve Cover Gasket
3
Engine Valve Cover Grommet
1
Engine Valve Cover Insulator
2
Engine Valve Cover Load Spreader
2
Engine Valve Cover Plug
1
PCV Valve
9
PCV Valve Grommet
1
PCV Valve Hose Adapter
1
Spark Plug Wire Holder
1
Tube Fitting
1
Wing Nut
2
Uncategorized
5
Category
Air Filter Elements & Wraps
1
Bolts & Studs
5
Engine Gaskets & Seals
1
Oiling Systems
1
Plugs
1
Transmissions
1
Valve Covers & Dress-Up Kits
76
Valves, Check & Shutoff
2
Price
$1 - $100
58
$101 - $200
5
$201 - $300
2
$301 - $400
5
$401 - up
5
New Arrival
New
15
Brand
AC Delco
1
Air Flow Research
2
ARP
1
Eddie Motorsports
7
Edelbrock
10
Holley
1
K&N
1
Lokar
4
Milodon
3
Mr. Gasket
1
Performance by OPGI
1
PML
1
RESTOPARTS
2
Trans Dapt
4
Review Rating
ooooo
ooooo
18
ooooo
ooooo
8
ooooo
ooooo
1
ooooo
ooooo
1
Not Yet Reviewed
47
NEW
KIT
Wing Nut Kit, Valve Cover, 2-Piece Handle, Chrome, 1/4"-20, 8pc (KIT)
2 Length Options
ooooo
ooooo
$23.99
Discounted Kit
Save $1 with this bundle
NEW
Wing Nut, Valve Cover, 2-Piece Handle, Chrome, 1/4"-20
2 Length Options
ooooo
ooooo
$2.99
NEW
Wing Nuts, Valve Cover, T-Bar, Anodized, 1/4"-20, 4-5/8" Long
5 Finish Options
ooooo
ooooo
$2.99
NEW
KIT
Wing Nut Kit, Valve Cover, T-Bar, Anodized, 1/4"-20, 4-5/8" Long, 8pc (KIT)
5 Finish Options
ooooo
ooooo
$23.99
Discounted Kit
Save $1 with this bundle
Page 4 of 4 - 76 Items
«
2
3
4
Page 4 of 4 - 76 Items
«
2
3
4
Free Ground Shipping
Free Ground Shipping on orders over $299 in the contiguous United States.
Shop Clearance
Save up to 55% on huge clearance deals on hundreds of items.
Earn Points for Free Parts
Earn points for every dollar you spend with OPGI’s Frequent Buyer Rewards Program.
Price Match Guarantee
We’ll price match any currently advertised retail price offered by a retail competitor.
Select Your Vehicle
Find parts that fit your vehicle
GM Cars
GM Trucks
Make
Model
Year
Go