Intake Manifold for 1996-2002 Small Block Chevy 350 Vortec with L31 Cast Iron Heads, Dual Plane [Black]

Name: Intake Manifold for 1996-2002 Small Block Chevy 350 Vortec with L31 Cast Iron Heads, Dual Plane [Black]
Brand: JEGS
SKU: 555-513004
Price: 259.99 USD
Availability: InStock

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Small Block Chevy Intake Manifolds

Intake Manifold

1996-2002 Small Block Chevy 350 Vortec with L31 Cast Iron Heads

Dual Plane

4-BBL Square Bore 4150/4160 Mounting Flange (non-EGR)

RPM Range: Idle to 5500 RPM

Aluminum

Black Powder Coat Finish

Improve engine performance and horsepower with this higher flowing intake manifold compared to a stock cast iron intake
Designed to fit with popular aftermarket square bore 4150 carburetors including Edelbrock, Holley, Quickfuel, proform, and more
Fabricated from black cast aluminum for weight savings, great looks, and improved performance
Fits GM and Chevrolet Vortec cast iron cylinder heads from 1996 through 2002
Idle to 5500 rpm power band for street or mild race applications

Port exit dimensions: 1.040 in. x 2.030 in.
Recommended Intake Gasket: JEGS p/n 555-210003
Intake gasket port matching is recommended for optimum performance
Estimated runner length - Shortest: 4 in.
Estimated runner length - Longest: 6.500 in.
Manifold height: (A) 4.130 in., (B) 5.210 in.
Click here to determine the carburetor pad height.
It May also be used on Vortec or 1995-Earlier blocks with Vortec pattern cylinder heads
Accepts late model alternator, water neck, AC, and HEI
No provision for divorced or heated choke
Stock/stamped steel valve covers may require 3/16 in. (or thicker) valve cover gaskets. We recommend 555-210076 for adequate runner clearance.

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
555-16105	4-Hole
Intake Manifold Bolts
555-83201	SBC - Vortec

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

Dual-Plane Performance Intake

JEGS Champion Series 331 Dual Plane Aluminum Intake Manifolds feature the latest machining techniques to ensure the highest-quality performance. The cast aluminum intake manifold construction yields a lighter, more consistent casting for smoother intake runners, optimal fuel atomization, and improved fuel & air distribution to the cylinders—resulting in more power!

Part TypeIntake Manifold

Product LineJEGS Champion Series 331 Performance Dual Plane Aluminum Intake Manifolds

BrandJEGS

Package Height5.8

Package Width12.3

Package Length21.6

Weight16.0 PG

Part CategoryPerformance Parts

Engine Block StyleStock/OEM standard deck

UsageStreet/Hi-Performance

Intake MaterialCast Aluminum

Intake Gasket IncludedNo