Edelbrock part #2821 Super Victor LS3 intake manifold is designed for Gen IV LS engines equipped with LS3 cylinder heads, this new Super Victor intake manifold is ideal for anyone building a 700+ hp 4500 series carbureted large displacement racing engine operating between 3,500 - 7,500 rpm. This new Super Victor intake manifold is designed with 24% larger runners than our Victor Jr. #28457 along with a larger 4500 style plenum. The large plenum makes these intake manifolds ideal for nitrous and forced induction applications. They also feature tapered runners for increased flow at high rpm. The Super Victor 4500 series manifolds can accommodate bores up 2.25". A carburetor mounted style throttle bracket is recommended.
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.
Installation Notes: Uses LS3/L76/LS92 style individual port o-ring seals GM PN19256623; Manifold height: A-7.67", B-7.67"; Carb pad height: 7.67"; Carb height (CH) for this manifold is measured from the valley cover flange to the carb pad; Carb recommendations: Use appropriate 4150/4500 Series racing carburetor; Port exit; dimensions machine matched: 1.27" x 2.58"; 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.