The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design—developed using FEA analysis—creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature an Arced, Recessed, Contoured design delivers an optimal strength-to-weight ratio. Backed by a Lifetime Warranty—buy them once and use them forever. Engineered for applications running up to 700 lbs of open spring pressure.
CatalogUser 1This Part Fits:
| Year |
Make |
Model |
Submodel |
| 1977-1982 |
Ford |
E-100 Econoline Club Wagon |
Base |
| 1977-1982 |
Ford |
E-100 Econoline Club Wagon |
Chateau |
| 1977-1983 |
Ford |
E-100 Econoline Club Wagon |
Custom |
| 1977-1978 |
Ford |
E-100 Econoline Club Wagon |
Northland |
| 1983 |
Ford |
E-100 Econoline Club Wagon |
XL |
| 1978-1979 |
Ford |
Fairmont |
Base |
| 1978-1979 |
Ford |
Fairmont |
Futura |
| 1977-1980 |
Ford |
Granada |
Base |
| 1978-1980 |
Ford |
Granada |
ESS |
| 1977-1980 |
Ford |
Granada |
Ghia |
| 1977-1979 |
Ford |
LTD II |
Base |
| 1977-1978 |
Ford |
LTD II |
Brougham |
| 1979 |
Ford |
LTD II |
Landau |
| 1977-1979 |
Ford |
LTD II |
S |
| 1977 |
Ford |
LTD II |
Squire |
| 1977-1981,1983-1988 |
Ford |
Thunderbird |
Base |
| 1978 |
Ford |
Thunderbird |
Diamond Jubilee |
| 1984-1986 |
Ford |
Thunderbird |
Elan |
| 1984-1985 |
Ford |
Thunderbird |
Fila |
| 1979,1981,1983 |
Ford |
Thunderbird |
Heritage |
| 1983-1988 |
Ford |
Thunderbird |
LX |
| 1980 |
Ford |
Thunderbird |
Silver Anniversary |
| 1983-1988 |
Ford |
Thunderbird |
Sport |
| 1978-1981 |
Ford |
Thunderbird |
Town Landau |
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Fitment Guarantee:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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Exclusions:
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To ensure every customer receives brand-new, untampered components, parts that have been installed, modified, or used are non-returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Fitment Guarantee
Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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Verify Your Build:
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Our Promise:
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When we confirm a fitment in writing and it doesn’t work for your application, we cover the return shipping and exchange it at no cost to you.
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