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Edelbrock part #28456 manifold kit is the quickest and easiest way to make Victor Jr LS power levels with a carburetor. The included #28457 Victor Jr. single plane manifold makes great power from 3500-7500 rpm, an ignition control box that allows you to choose one of six preset timing curves, or create your own with a laptop connection.
Edelbrock part #28456 intake manifold kit contains a Victor Jr LS3 PN 28547 an ignition timing control box, wiring harness, and bracket. It is designed for Gen IV LS engines equipped with LS3, L92 and L76 cylinder heads. The lightweight (13.6lbs) manifold is for carbureted high performance applications operating between 3500-7500 rpm. Top it off with a VRS-4150 carburetor and hang on.
Chevrolet:Small-Block Gen IV L76:364 (6.0L)/376 (6.2L);Chevrolet:Small-Block Gen IV L92:364 (6.0L)/376 (6.2L);Chevrolet:Small-Block Gen IV L99:364 (6.0L)/376 (6.2L);Chevrolet:Small-Block Gen IV LS3:364 (6.0L)/376 (6.2L)
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 www.P65warnings.ca.gov.
Installation Notes
For Carbureted Applications ONLY!
Comes with Manifold Bolts and Washers
Designed for high performance applications operating in the 3500-7500 rpm range
Uses LS3/L76/L92 style individual port O-ring seals GM PN19256623;4150 Carb flange
Carb Recommendations AVS2 800 cfm 1913 or VRS-4150 #1307 750 CFM
L92 heads are intended for 4.00" bores and will not work with 5.7L blocks without valve reliefs;Comes with timing control Module
Manifold Dimensions: Roof to bolt centerline-1.85", Floor to bolt centerline -0.57", Hieght-2.42", Carb pad height 7.40"
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. 
