These cylinder heads are designed for maximum effort competition racing on 289-351+ cubic inch based engines. The inline valve configuration features a 15° valve angle and a modern combustion chamber design allows for high compression without large piston domes. The intake ports are raised .380"; however the intake flange has been extended to maintain proper port alignment with standard intake manifolds. The exhaust ports are patterned with a 2.50" spacing and raised .520" for high flow potential. These heads do require shaft mounted rockers; The # ED77219 includes 47cc combustion chambers, ductile iron interlocking valve seats, bronze valve guides and requires professional preparation. Additional qualities include a 5/8" thick deck, 11/32" bore valve guides, and 1.935" valve centrelines Edelbrock recommends 2.100" intake valves and 1.650" exhaust valves with 5.45" overall ngth.

Combustion chamber volume: 47cc
Intake Runner Volume: 240cc
Exhaust Runner Volume: 80cc
Intake valve diameter: 2.125"
Exhaust valve diameter: 1.625"
Valve Angle: 15°
Spacing 1.935"
Valve Seats: installed
Guides: included
Made In: USA

Product Reviews for ED77219 - EDELBROCK