Edelbrock Pro-Flo XT Manifolds For LS Chevy


CHEVROLET LS1 V8
PRO-FLO XT LS EFI (1500-7000 RPM)
The Pro-Flo XT LS1 EFI intake manifold is engineered with a large plenum and tapered runners to deliver maximum horsepower and broad torque band throughout the rpm range (1500-7000 rpm). Features include a 90mm throttle bore opening and 2.75" port exit height. This manifold produced 30 more horsepower over a stock LS6 manifold at 6500 rpm. #7139 Accepts Pro-Flo XT throttle body #3869 or adapter #2737 and standard LS1 throttle bodies. #7140 (LS2) accepts GM OEM 90mm or Edelbrock #3869 throttle bodies. Compatible with LS1 Fuel Rail Kit #3629 (sold separately).
Chevy LS1 Pro-Flo XT Intake Manifolds by Edelbrock
Application Dyno Emissions Satin Black
Pro-Flo XT LS1 Series Gen III Manifold - 7139 71393
Pro-Flo XT LS2 Series Gen III Manifold - 7140 71403
Fuel Rail Kit for LS Series Chevy (compatible with Standard or Pico injectors) - - 3629 -
Edelbrock Throttle Body Recommendation THROTTLE BODY RECOMMENDATIONS: Edelbrock #3869 or #38693. See Throttle Body section.
Edelbrock Installation Note INSTALLATION NOTE: Recommended gasket: Uses LS1/LS6 style individual port O-ring seals. #7139 Manifold Dimensions: A-10.20", B-10.00", C-16.90", D-3.2", E-15°. #7140 Manifold Dimensions: A-9.70", B-10.00", C-16.90", D-3.1", E-15°. For the heights of all Edelbrock manifolds, please visit the the Manifold Reference Dimensions page.

CHEVROLET LS3 V8
PRO-FLO XT LS EFI (1500-7000 RPM)
The Pro-Flo XT LS3 EFI intake manifold is engineered with a large plenum and 6.25" tapered runners to deliver maximum horsepower and a broad torque band from 1500-7000+ rpm. It features a 90mm throttle bore opening that can be ported to 105mm as needed. Machined for use with a stock LS3 style MAP sensor or Edelbrock #36019 that is mounted directly to the manifold. The Pro-Flo XT LS3 EFI accepts GM OEM 90mm or Edelbrock #3869/#38693 throttle bodies. Compatible with LS3 Fuel Rail Kit #3648 (sold separately), which features -8 AN inlet and outlet. Not intended as direct replacement for late-model vehicles due to hood and cowl clearance.
In testing, the Pro-Flo XT LS3 intake manifold made 16 horsepower more, and the peak power point also increased by 500 rpm compared to a competitors plastic design. The Pro-Flo XT LS3 intake manifold is the best choice for your boosted or nitrous powered LS3 engine.
Pro-Flo XT LS3 Series Manifold by Edelbrock
Application Dyno Emissions Satin Black
Pro-Flo XT LS3 Series Manifold - - 7142
Pro-Flo XT LS3 Fuel Rail Kit - - 3648 -
Edelbrock Throttle Body Recommendation THROTTLE BODY RECOMMENDATIONS: Edelbrock #3869/#38693 or OEM drive-by-wire style. See Throttle Body section.
Edelbrock Installation Note INSTALLATION NOTE: Uses LS3/ L92/L76 style individual port o-ring seals GM PN19256623 or Edelbrock #7395. Manifold Dimensions: A-9.28", B-9.68", C-17.40", D-3.02", E-15°. Port exit dimensions: 1.23" x 2.52". For the heights of all Edelbrock manifolds, please visit the the Manifold Reference Dimensions page.

Edelbrock Tech Note PRODUCT EMISSIONS GUIDE
The following guide is designed to help you determine which Edelbrock components are legal for use on your vehicle. Learn more about Edelbrock Product Emissions Guide.

    50-State Legal
    For Racing Use ONLY
    For Use on Pre-Pollution Controlled Vehicles (PPCV)
    Stock Replacement Part
    Engine Swaps