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
1985
Grand National
My Garage
16
View Garage
1985
Buick
Grand National
Shop Parts
Filter Search
1973
Pontiac
Bonneville
Shop Parts
Filter Search
1977
Pontiac
Grand Prix
Shop Parts
Filter Search
1981
Cadillac
Seville
Shop Parts
Filter Search
1981
GMC
K35/K3500
Shop Parts
Filter Search
1994
Chevrolet
Blazer
Shop Parts
Filter Search
1986
Pontiac
Grand Prix
Shop Parts
Filter Search
1969
GMC
C25/C2500
Shop Parts
Filter Search
1969
Chevrolet
El Camino
Shop Parts
Filter Search
1980
Chevrolet
El Camino
Shop Parts
Filter Search
1980
Chevrolet
Monte Carlo
Shop Parts
Filter Search
1967
Chevrolet
El Camino
Shop Parts
Filter Search
1975
Pontiac
Catalina
Shop Parts
Filter Search
1985
GMC
C25/C2500
Shop Parts
Filter Search
1939
Cadillac
Series 61
Shop Parts
Filter Search
1950
Cadillac
Series 62
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
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
Exterior
Decals
Decals, Body Stripes, Misc
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
Wheels & Accessories
Lug Nuts, Bolts, Studs, Wheels, Accessories
Body Parts & Trim
Convertible Tops & Accessories
Tops, Moldings, Boots, Hardware
Door Handles & Hardware
Door & Window Handles, Door Hinges
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
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
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
Grand National
1985
Exhaust
Headers
1985 Buick Grand National
Headers
Filters
12
24
36
48
60
96
120
Relevance
Best Selling
A-Z ↓
Z-A ↑
Highest Price ↑
Lowest Price ↓
Newest Arrivals
×
Product Type
Aftermarket
1
Performance
27
Part Type
Engine Mount Bracket
1
Exhaust Header
25
Transmission Crossmember
1
Transmission Crossmember Bracket
3
Category
Headers
30
Price
$1 - $100
3
$201 - $300
1
$301 - $400
5
$401 - up
19
Brand
CPP
1
Doug's Headers
5
Hedman Hedders
18
Hooker Blackheart
5
TA Performance
1
Review Rating
ooooo
ooooo
1
Not Yet Reviewed
27
Hedman Hedders
Headers, Hedman, Elite, 1978-88 G-Body, SBC, 1-1/2", Full Length, w/o A.I.R. (PAIR)
2 Finish Options
ooooo
ooooo
From
$823.99
Hooker Blackheart
Brackets, Engine Mount, Hooker Blackheart, 1978-88 G-Body LS-Swap (PAIR)
ooooo
ooooo
$228.99
Hedman Hedders
Headers, Hedman, Elite, 1964-88 SBC, 1-5/8", Mid Length, Stock Heads (PAIR)
2 Finish Options
ooooo
ooooo
From
$776.99
Hooker Blackheart
Bracket, Trans Mount, Hooker BH Crossmember, 1978-88 G-Body w/o 200-4R,
ooooo
ooooo
$86.99
Hooker Blackheart
Bracket, Trans Mount, Hooker BH Crossmember, 1978-88 G-Body, 4L60/4L65/4L70
ooooo
ooooo
$48.99
Hooker Blackheart
Bracket, Trans Mount, Hooker BH Crossmember, 1978-88 G-Body, 4L80
ooooo
ooooo
$51.99
Page 2 of 2 - 30 Items
«
1
2
Page 2 of 2 - 30 Items
«
1
2
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