Pro-Flo XT Small Block Chevy LS1 EFI Intake Manifold

The Edelbrock Pro-Flo XT LS1 #7139 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 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. The Edelbrock Pro-Flo XT LS1 #7139 EFI intake manifold Accepts Pro-Flo XT throttle body #3869 or adapter #2737 and standard LS1 throttle bodies. Compatible with LS1 Fuel Rail Kit #3629 (sold separately), which features -6 AN inlet and outlet. For the ultimate in quality, every Edelbrock manifold is cast at the ultramodern Edelbrock Aluminum Foundry and machined on computerized machining centers at Edelbrock headquarters. Whether you're building a daily driver, ultra high-performance street machine or race car, an Edelbrock intake manifold will provide the power right where you want it. The Edelbrock Pro-Flo XT LS1 #7139 also features a natural aluminum finish for a classic look. For the ultimate "Made in USA" quality, every Edelbrock intake manifold is cast and machined in the USA.

Installation Notes:
• Recommended intake gasket: LS1/LS6 style individual port o-ring seals or Edelbrock #7386
• Port exit dimensions: 1.04”x 2.74”
• Manifold Dimensions: A-10.20", B-10.00", C-16.90", D-3.2", E-15-degree
• The throttle body centerline is located 6.75” above the valley plate and 2.5” forward of the first manifold hold-down bolt
• Throttle bracket included
• A bracket for mounting an LS1 style MAP sensor is included
• PN 3629 LS1 XT Fuel Rail kit including provisions for either Pico or standard height injectors (available separately)
• Hardened washers Must be used with intake bolts to ensure proper torque and prevent galling of the aluminum.