Edelbrock part #71413 LS3 Cross-Ram 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.
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 www.P65warnings.ca.gov.
Throttle Body Recommendations: 2x GM LS# 90mm; Fuel Rail Recommendations: Use Edelbrock fuel rail kit #3654.; 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 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.