Edelbrock Cross-Ram LS3 Manifold, Red

CROSS-RAM LS3 (1500-7000 RPM)
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.

Throttle Body Recommendations: 2x GM LS# 90mm.

Fuel Rail Recommendations: Use Edelbrock fuel rail kit #3654.

Installation Notes: Uses LS3/L76 style individual port o-ring seals GM PN19256623 or Edelbrock #7395. Plenum gaskets use Edelbrock #7271. Manifold height: A-9.35", B-8.01", C-17.50", D-2.65" E-0° vertical x 5° inward; Port exit dimensions: 1.19" x 2.48".