Cross-Ram Small Block Chevy LS3 Intake Manifold

The Edelbrock LS3 Cross-Ram #7141 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 #7141 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 Note:
• Uses LS3/L76 style individual port O-ring seals GM PN19256623 or Edelbrock #7395.
• Plenum gaskets use Edelbrock #7271
• Throttle Body Recommendations: 2x GM LS# 90mm
• 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.