Mid-Rise Dual Plane Intake Manifold for GM LS1/LS2/LS6 with Cathedral Port Heads [Black]

Name: Mid-Rise Dual Plane Intake Manifold for GM LS1/LS2/LS6 with Cathedral Port Heads [Black]
Brand: JEGS
SKU: 555-513098
Price: 362.99 USD
Availability: InStock

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Carbureted LS Intake Manifolds

Intake Manifold

GM LS1, LS2 & LS6

Mid-Rise Dual Plane

Accepts 4-BBL Carburetor with 4150/4160 Square Bore Mounting Flange

1500-6500 RPM

Intake Ports Designed to fit Cathedral Port Heads

Aluminum

Black Powder Coat Finish

JEGS 555-513098 GM LS Mid-Rise Dual Plane Intake Manifold Features

Designed for GM LS1, LS2 & LS6 applications using a 4-BBL carburetor or EFI throttle body
Accepts a 4150/4160 square bore flange with up to a 1.750 in. diameter throttle bore
Mid-rise dual-plane design provides optimum performance and fuel distribution.
Port Dimensions: 1 in. W x 2.720 in. H
Manifold Height:
- Front Height (A): 5.070 in. from front lifter valley cover to carb mounting flange
- Rear Height (B): 6.150 in. from rear lifter valley cover to carb mounting flange
- Carb Pad Height = 5.610 in.
- Click here to determine the carburetor pad height.
Intake port matching is recommended for optimum performance
Carburetor Flange Angle: 0 degree
Vacuum Port Thread: 3/8 in. NPT
MAP Sensor Port Thread: 1/8 in. NPT

JEGS 555-513098 GM LS Mid-Rise Dual Plane Intake Manifold Includes

(6) Mounting Bolts: M6-1 x 88.91 UHL Zinc-plated with 10mm hex head
(4) Mounting Bolts: M6-1 x 64.65 UHL Zinc-plated with 10mm hex head
(10) Flat Washers: 6mm Zinc-plated
(1) Pipe Plug: 3/8 in. NPT with 8mm hex/allen head (used to block the manifold vacuum port if necessary)
(1) Pipe Plug: 1/8 in. NPT with 5mm hex/allen head (used to block the MAP sensor port if necessary)
(8) Viton O-ring cylinder head mounting flange gaskets

Additional Recommended Items to help you with your installation (Sold Separately)

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)

Emissions Note:

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

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

Performance Dual Plane Carbureted Intakes for LS Engines

GM LS engines have been the number one choice in engine conversions and street performance muscle car applications due to their superior strength and versatile design. JEGS LS Dual Plane Intake Manifolds allow you to use a square bore carburetor, replacing the standard computer-controlled fuel injection setup. These intake manifolds are designed for LS1, LS2 & LS6 engines and provide maximum power & performance from 1500-6500 RPM. The OE-style intake port o-ring seals make installation a breeze. Their low-profile design allows for little to no modifications for hood clearance.

Part TypeIntake Manifold

Product LineJEGS GM LS Dual Plane Carbureted Intake Manifolds

BrandJEGS

Package Height6.1

Package Width13.8

Package Length19.0

Weight15.0 PG

Part CategoryPerformance Parts

UsageStreet/Strip

Intake MaterialCast Aluminum

Intake Gasket IncludedYes

Intake StyleDual plane