The Edelbrock 7812 is a Performer-Link timing chain set for Pontiac V8 287-455 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: 7812
- 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
- Pontiac: 287 (4.7L)-455 (7.5L)
Vehicle Applications
- Pontiac: Bonneville 1959-1978; Catalina 1959-1978; Executive 1967-1970; Firebird 1968-1979; GTO 1964-1966, 1968-1973; Grand Am 1973-1975; Grand LeMans 1975-1977; Grand Prix 1962-1977; Grand Safari 1971-1978; Grandville 1971-1975; Laurentian 1967-1974, 1976; LeMans 1968-1977; Parisienne 1967-1974, 1976; Star Chief 1959-1966; Tempest 1961, 1968-1970; Ventura 1960-1961, 1972-1975
Grouped by make, with model years for each model (16 models, 146 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 7812 fit?
Pontiac V8s from 287 to 455 cubic inches.
What chain does the 7812 use?
A double roller, solid-bushing chain.
Is the 7812 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 7812?
Performer-Link timing sets are not for use above 6,500 RPM.
Is the Edelbrock 7812 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.

