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Edelbrock 5420 396-454 Chevy Dual Quad Intake Manifold, Oval Port

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Specs
Material Type:
Aluminum
Sold in Quantity:
Each
Finish:
Natural
Intake Manifold Type:
Dual Plane
Carburetor Quantity:
Two
Carburetor Flange Type:
4-Barrel Square Bore
MFG. Part #:
5420
Overall Height:
4.65
Port Height:
1.94
Port Width:
1.64
GTIN Code:
085347054206
Edelbrock 5420 396-454 Chevy Dual Quad Intake Manifold, Oval Port

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Details

Reviews (1)

Q & A (1)

What's in the Box

Info

Designed for 1975 & earlier 396-454 c.i.d. big block Chevy with oval port heads. Has an optimum power range of 1500-6000 rpm. Edelbrock testing has confirmed smooth, consistent part-throttle operation with a 25 hp gain over single 4BBL low-rise single plane intakes and a torque gain of 30 ft/lbs. over single 4BBL low-rise dual plane intakes.

  • Carb center to carb center is 6-7/16"
  • Will NOT fit tall-deck truck blocks
  • Carburetor Recommendation: Performer Series, 600 cfm

325-5420 Instructions (PDF)

Item Details

1975 & Earlier large, oval-port heads

Notes

  1. Will only work with Edelbrock/Carter AFB carburetors. Will NOT work with Holley/Demon carbs as the bolt pattern and carb spacing do not match these carbs.
  2. Will NOT fit tall-deck truck blocks.
  3. HEI distributor will fit.

Specs

  • Port exit dimensions:  1.64" x 1.94"
  • Carb center-to-center:  6-7/16"
  • Manifold height @ front:  3.95"
  • Manifold height @ rear:  4.65"
  • Carb pad height:  4.30"

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