LS Single Plane 4150 EFI Intake Manifold GM LS1/LS2/LS6/4.8/5.3/6.0

#28981137

LS Single Plane 4150 EFI Intake Manifold GM LS1/LS2/LS6/4.8/5.3/6.0

Low profile helps with hood clearance on many applications
Good choice for EFI street applications
Mounting flange gasket type - O-ring

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Product Summary

Single Plane Intake Manifold Type, Cast Aluminum

Low profile helps with hood clearance on many applications
Good choice for EFI street applications
Mounting flange gasket type - O-ring
Fuel rail kit included- will not work with stock fuel rails
Choose between Polished, Black, or Raw finishes

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Key Specs

Brand	Speedway Motors
Intake Manifold Type	Single Plane
Material Type	Cast Aluminum

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Details

Features a 4150 square bore flange. The single plane runner layout provides a higher torque curve for higher RPM applictions. Will fit all LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads. A cast aluminum construction provides protection from warpage or heat damage. Great for boosted or NOS applications!

Low profile helps with hood clearance on many applications
Good choice for EFI street applications
Mounting flange gasket type - O-ring
Fuel rail kit included, will not work with stock fuel rails.
Choose between Polished, Black, or Raw finishes

CARB Warning

For use on pre-1966 vehicles only

Emissions warning: this part only legal for sale or use in California if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. ++any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering there are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

Specifications

KEY SPECS
Brand	Speedway Motors
Intake Manifold Type	Single Plane
Material Type	Cast Aluminum

GENERAL
Port Height	2.65"
Port Width	.95"
Sold in Quantity	Each
Notes	PORT O-RING KIT 42550823(8 PC)-151 (.103 X 2.987)

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