Cool Gap Intake Manifold for 396-502 Big Block Chevy, Dual Plane [Polished]

Name: Cool Gap Intake Manifold for 396-502 Big Block Chevy, Dual Plane [Polished]
Brand: JEGS
SKU: 555-513031
Price: 452.99 USD
Availability: InStock

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Big Block Chevy

Cool Gap Intake Manifold

Fits 396-502 Big Block Chevy

Fits Oval Port Cylinder Heads

Dual Plane

4-BBL Square Bore 4150/4160 Mounting Flange

Non-EGR

RPM Range: 1500-6500

Cast Aluminum

Polished Finish

JEGS 513031 Intake Manifold Features:

Dual Plane design for optimum fuel distribution
Accepts 4150/4160 4-BBL square bore carburetors
Cool Gap design keeps hot engine oil away from intake runners resulting in a cooler, denser charge for more horsepower, torque, and efficiency
Designed for oval port heads with standard port location
(8) Intake runner bosses cast in for nitrous or fuel injector ports
Port exit dimensions: 1.680 in. W x 1.950 in. H
Estimated runner length - Shortest: 5.00 in.
Estimated runner length - Longest: 7 in.
Manifold height: Front (A) 4.750 in., Rear (B) 6 in. ( A + B divided by 2 = 5.375 in.)
Click here to determine carburetor pad height
2 Front and Rear 1/2 in. NPT water outlet ports for additional cooling
1 Rear 3/8 NPT vacuum port
Provisions for dual distributor hold-downs
No provision for divorced or heated choke

Note: This intake manifold will not fit under a stock hood on Corvettes, 1964-1967 Chevelle, or 1967-1981 Camaro.

Additional Recommended Items (Sold Separately):

Stock/stamped steel valve covers may require 3/16 in. (or thicker) valve cover gaskets. We recommend 555-21110 or 555-210171 for adequate runner clearance.
Recommended Intake Gasket 555-210102
Front to Rear Coolant Fittings and Hose
- (2) JEGS Black 90-degree 1/2 in. NPT to -8 AN Fittings - 555-110149
- (2) JEGS Black Straight 1/2 in. NPT to -8 AN Fittings - 555-110109
- (1) JEGS Black Pro-Flo 350 -8 AN Braided Hose, 3 ft. - 555-110920
- (1) JEGS Black Straight -8 AN Max Flow Hose End - 555-110002
- (1) JEGS Black 45-degree -8 AN Max Flow Swivel Hose End - 555-110012
- (2) JEGS Black 90-degree -8 AN Max Flow Swivel Hose Ends - 555-110022
Carburetor Fuel Inlet Lines & Fittings
Carburetor Spacers
Fuel Filters
Carburetor Linkage, Choke Kits & Components

JEGS Carb Recommendations/Notes
Carburetors
		570 CFM	670 CFM	770 CFM
		Up to 300 HP	300 to 400 HP	400 to 500 HP
Manual Choke		510-0-81570	510-0-81670	510-0-81770
Electric Choke		510-0-80570	510-0-80670	510-0-80770
Carburetor Studs
555-15840	1-1/2" Studs	Suggested for carb and gasket only
555-15841	2" Studs	Suggested for carb and 1/2" spacer
555-15842	2-1/2" Studs	Suggested for carb and 1" spacer
555-15846	3-1/2" Studs	Suggested for carb and 2" spacer
Carburetor Base Gaskets
555-16100	Open (Square Flange)
555-16105	4-Hole (Square Flange)
Intake Manifold Bolts
555-83205	Big Block Chevy - Standard

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeIntake Manifold

BrandJEGS

Package Height7.3

Package Width11.8

Package Length24.0

Weight17.95 PG

Part CategoryPerformance Parts

Engine Block StyleStock/OEM standard deck

UsageStreet/Hi-Performance

Intake MaterialCast Aluminum

Intake StyleDual Plane (Air Gap)