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Dual Quad Big Block Intake Manifold

Edelbrock 5420 C-66-O dual quad intake manifold.

For 1975 and older Chevrolet big block engines with oval port cylinder heads.

A 25 horsepower gain over the Edelbrock Torker 2 intake.

A torque gain of 30 ft/lbs over the Edelbrock Performer intake.

Designed for Edelbrock carburetors only.

Includes metering rods to calibrate Edelbrock carbs.

Carb center to carb center measurement is 6 7/16".

Recommend the use of Edelbrock Torker 2 cam kit for high rpm use or the Edelbrock Performer Plus cam kit for low end torque.

Fits oval port cylinder heads. GM H.E.I. distributors will work.

Manifold height is 3.95" in front and 4.65" in the rear.

Port exit size is 1.64" X 1.94".

Carb pad height is 4.30".

TECH NOTE: Fits Edelbrock or Carter carburetors only. Will not fit tall-deck blocks.

Edelbrock 5420 Dual Quad intake manifold EDELBROCK-5420$379.97

Click to enlargeIntake manifold gaskets for Edelbrock 5420 intake
Edelbrock 7203 intake manifold gaskets.

Designed for the Edelbrock 5420 intake manifold shown above.

Edelbrock matched for optimum flow and performance.

MP-2N Micropore technology.

Impervious to most chemicals.

Synthetic fiber composite provides a high recovery under load.

When compressed, the gasket will conform to any perfections on the sealing surface.

Nitrile bead around each port opening.

8-EDE-7203$29.97
Click to enlargeIntake manifold bolts for Edelbrock 5420 intake
Intake manifold bolts for the Edelbrock 5420 intake manifold shown above.

Black-oxide coated chrome moly bolts are rated at 170,000 psi.

Precision-machined for optimum thread engagement.

Wide-area flange for better load distribution.

Precision-rolled threads, which prevent galling, while promoting more consistent torque loading.

Washers included.

12ARP-135-2001$39.97
Click to enlargeStainless intake manifold bolts for Edelbrock 5420 intake
Stainless intake manifold bolts for the Edelbrock 5420 intake manifold shown above.

ARP stainless steel intake manifold bolts are 15 percent stronger than Grade 8 steel bolts.

Wide-area flange for better load distribution.

Precision-rolled threads, which prevent galling and promote more consistent torque loading.

Corrosion and heat-resistant and come highly polished.

Includes stainless washers.

ARP-435-2001$49.97

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