The Edelbrock 7820 is a Performer-Link timing chain set for small-block Ford 255-351W engines, for use with Edelbrock or stock camshafts. It uses a double roller chain, and the set has three keyway setting points for up to 4 degrees of camshaft advance or retard. The chain is a solid-bushing roller design. The cam sprocket is cast iron with 35,000 psi tensile strength, and the crank sprocket is billet SAE-1144 steel, induction heat treated. The set is not for use above 6,500 RPM.
Notes:
- Not for use above 6,500 RPM.
- Never hammer directly on the chain or sprockets; use a sleeve if hammering is required.
- Check clearance between the chain and block and between the chain and front cover, and make sure the cam and crank sprockets are aligned before reassembly.
Specifications:
- Brand: Edelbrock
- Part Number: 7820
- Part Type: Engine Timing Set
- Maximum Retard At Camshaft: 4 deg
- Keyway Adjustable: Yes
- Maximum Advance At Camshaft: 4 deg
- Chain Type: Double Roller
- Timing Chain Type: Double Roller
- Manufacturer warranty: 12 months
Engine Applications
- Ford Small-Block: 255 (4.2L)-351W (5.8L)
Vehicle Applications
- Ford: 300 1963; Bronco 1966-1968, 1981-1984; Country Sedan 1963-1974; Country Squire 1963-1974; Custom 1965-1972; Custom 500 1964-1974, 1976-1977; E-100 Econoline 1969-1983; E-100 Econoline Club Wagon 1975-1983; E-150 Econoline 1975-1984; E-150 Econoline Club Wagon 1975-1984; E-200 Econoline 1969-1974; E-250 Econoline 1975-1984; E-250 Econoline Club Wagon 1975-1984; E-300 Econoline 1969-1974; E-350 Econoline 1975-1984; E-350 Econoline Club Wagon 1977-1984; Elite 1975-1976; F-100 1969-1983; F-150 1975-1984; F-250 1981-1984; F-350 1981-1984; Fairlane 1963-1970; Fairmont 1978-1982; Falcon 1964-1970; Falcon Sedan Delivery 1965; GT40 1964-1969; Galaxie 1963-1967; Galaxie 500 1962-1974; Gran Torino 1972-1976; Granada 1975-1981; LTD 1965-1974, 1976-1984; LTD II 1977-1979; Maverick 1971-1977; Mustang 1964-1970, 1980-1984; Mustang II 1975-1978; Ranch Wagon 1963-1974; Ranchero 1965-1979; Thunderbird 1977-1984; Torino 1968-1976
- Lincoln: Continental 1980, 1982-1984; Mark VI 1980-1983; Mark VII 1984; Town Car 1981-1984; Versailles 1977-1980
- Mercury: Caliente 1964-1967; Capri 1979-1984; Colony Park 1971; Comet 1964-1969; Commuter 1967; Cougar 1967-1984; Cyclone 1964-1970; Grand Marquis 1978-1984; Marquis 1971, 1978-1982; Monarch 1975-1980; Montego 1968-1976; Monterey 1971; Villager 1964-1967; Voyager 1966-1967; Zephyr 1978-1982
Grouped by make, with model years for each model (59 models, 428 year, make and model combinations).
Emissions Status
- For use on pre-pollution-controlled vehicles: 1965 and older U.S.-manufactured California-certified vehicles, 1967 and older U.S.-manufactured federally certified vehicles, and 1967 and older foreign-manufactured vehicles.
- For racing use only.
Race Use Only: This product is manufactured and sold for installation on vehicles used solely for competition. Once installed, the vehicle may not be used, registered, or licensed for use on a public road or highway. Installation on a street-driven vehicle may violate the Clean Air Act 203(a)(3), 42 U.S.C. 7522(a)(3).
FAQ
What engines does the Edelbrock 7820 fit?
Small-block Ford V8s from 255 to 351W.
What chain does the 7820 use?
A double roller, solid-bushing chain.
Is the 7820 timing adjustable?
Yes. The set has three keyway setting points, giving up to 4 degrees of camshaft advance or retard.
What is the RPM limit of the 7820?
Performer-Link timing sets are not for use above 6,500 RPM.
Is the Edelbrock 7820 street legal?
It is not 50-state legal. Its emissions status is for pre-pollution-controlled vehicles and racing use only.
California Proposition 65: 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.
