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
1978
K20
My Garage
17
View Garage
1978
Chevrolet
K20
Shop Parts
Filter Search
1980
Oldsmobile
Cutlass
Shop Parts
Filter Search
1980
Pontiac
LeMans
Shop Parts
Filter Search
1978
Pontiac
LeMans
Shop Parts
Filter Search
1981
Pontiac
LeMans
Shop Parts
Filter Search
1965
Buick
Skylark
Shop Parts
Filter Search
1964
Pontiac
LeMans
Shop Parts
Filter Search
1963
Pontiac
LeMans
Shop Parts
Filter Search
1968
Pontiac
LeMans
Shop Parts
Filter Search
1962
Chevrolet
Suburban
Shop Parts
Filter Search
1985
Buick
Regal
Shop Parts
Filter Search
1973
Chevrolet
Chevelle
Shop Parts
Filter Search
1976
Buick
Riviera
Shop Parts
Filter Search
1985
Cadillac
Eldorado
Shop Parts
Filter Search
1975
Chevrolet
Chevelle
Shop Parts
Filter Search
1970
Pontiac
LeMans
Shop Parts
Filter Search
1974
Pontiac
LeMans
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
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
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
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
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
K20
1978
Drivetrain
Transmissions
1978 Chevrolet K20
Transmissions
Filters
12
24
36
48
60
96
120
Relevance
Best Selling
A-Z ↓
Z-A ↑
Highest Price ↑
Lowest Price ↓
Newest Arrivals
×
Product Type
Aftermarket
12
Performance
88
Restoration
6
Part Type
Auto Trans Mount
2
Auto Trans Shift Linkage Clip
1
Automatic Transmission Adapter Plate Kit
2
Automatic Transmission Case Locator Pin
1
Automatic Transmission Harness Clip
1
Bolt Kit
1
Clutch Bellcrank Clip
1
Clutch Flywheel
35
Clutch Flywheel Counterweight
2
Clutch Kit
16
Clutch Pressure Plate Bolt
1
Manual Trans Assembly
6
Manual Trans Mount Spacer
1
Manual Trans Shifter Lever Kit
19
Transmission Control Module
1
Transmission Fluid Additive
1
Transmission Mount
1
Uncategorized
14
Category
Bolts & Studs
5
Driveshafts, Drive Chains, Couplers & Yokes
1
Oils, Fluids & Additives
1
Shifters
21
Transmissions
106
Weatherstrip Seals
1
Price
$1 - $100
23
$101 - $200
16
$201 - $300
23
$301 - $400
23
$401 - up
21
New Arrival
New
1
Brand
American Powertrain
2
Energy Suspension
1
FiTech
1
G Force Performance
17
Lokar
21
McLeod
51
TREMEC
6
Review Rating
ooooo
ooooo
3
ooooo
ooooo
1
Not Yet Reviewed
102
Lokar
Shift Lever Adapter, Bolt-On Orbital, TKO 500/600, T56/TKX, AxiShift Lokar (SET)
ooooo
ooooo
$132.99
G Force Performance
Bolt, Flexplate & Flywheel, G Force, LS Engine, 6-Point Hex, 6-Piece (SET)
ooooo
ooooo
$35.99
McLeod
Flywheel, Steel, 1997-13 LS-X, 6-Bolt, 0-Bal, 168 Teeth, 28Lbs
ooooo
ooooo
$349.99
McLeod
Flywheel Bolt, McLeod, 11mm x 1.5mm, 12-Point Head, Black Oxide, 6pc (SET)
ooooo
ooooo
$39.99
McLeod
Flywheel, Steel, 1997-13 LS-X, 6-Bolt, 0-Bal, 168 Teeth, 28Lbs, +.40" To Face
ooooo
ooooo
$429.99
McLeod
Flywheel, Steel, 09+ LSX/LTX, 8-Bolt Crank, 0-Bal, 168 Teeth, 28Lbs, Retro Only
ooooo
ooooo
$395.99
McLeod
Flywheel, Steel, 1997-13 LS-X, 6-Bolt, 0-Bal, 168 Teeth, 28Lbs, +.20" To Face
ooooo
ooooo
$429.99
McLeod
Flywheel, Aluminum, 1997-13 LS-X, 6-Bolt, 0-Bal, 168 Teeth, 15Lbs, +.200"
ooooo
ooooo
$525.99
McLeod
Flywheel, Aluminum, 1997-13 LS-X, 6-Bolt, 0-Bal, 168 Teeth, 15Lbs, +.400"
ooooo
ooooo
$585.99
McLeod
Flywheel, Alum, 2009+ LSX/LTX, 8-Bolt Crank, 0-Bal, 168 Teeth, 15Lbs, Retro Only
ooooo
ooooo
$495.99
Page 5 of 5 - 106 Items
«
3
4
5
Page 5 of 5 - 106 Items
«
3
4
5
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