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Cross-Ram Small Block Chevy LS3 Black Intake Manifold

was $1,709.95 Special Price $1,538.96
Edelbrock Black Cross- Ram LS3 Rect Ports Intake Manifold GM LS Engines
In stock
The Edelbrock LS3 Cross-Ram #71413 intake manifold is designed for Gen IV engines with LS3, L92 and L76 rectangular port cylinder heads. The Cross-Ram LS3 is ideal for anybody looking to combine great looks and outstanding performance between 1,500 - 7,000 rpm. The unique dual-plenum design features 13" long runners with flanges that will accept two, 90mm GM LS3 throttle bodies. The unique cross-ram dual-plenum design is ideal for twin turbo applications. When matched with high flowing air filters and inlet tubes, the dual-plenum system gives neck-snapping performance with plenty of options for engine builders and tuners. Dyno testing resulted with gains of 27 horsepower and 28 ft-lbs. of torque over a popular aftermarket manifold. The Edelbrock LS3 Cross-Ram #71413 also features a durable black powder coated finish for long lasting protection and a distinctive look.

Installation Note:
• Uses LS3/L76 style individual port O-ring seals GM PN19256623 or Edelbrock #7395.
• Plenum gaskets use Edelbrock #7271
• Fuel Rail Recommendations: Use Edelbrock fuel rail kit #3654.
• Manifold height: A-9.35", B-8.01", C-17.50", D-2.65" E-0-degree vertical x 5-degree inward
• Port exit dimensions: 1.19” x 2.48”
• Use RTV sealant to properly seal end seals, such as Edelbrock High Temp Silicone sealant #1076, DO NOT USE END SEALS GASKETS.
• Hardened washers must be used with intake bolts to ensure proper torque and prevent galling of the aluminum.
More Information
Manufacturer Edelbrock
Application Application Specific
UPC 00085347714131
Series Cross-Ram LS3
Grade Type Performance
Gasket Or Seal Included No
Vehicle Model Chevrolet
Availability Note Available to Order
Warranty 12 Months
RPM Range 1500-7000 RPM
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Color Black Powder Coated
Finish Black Powder Coated
Material Aluminum
Rear Maximum Height 8.010 in
Single Or Dual Plane Type Single