Edelbrock Part # 28457 Victor JR. LS3 intake manifold is designed for Gen IV LS engines equipped with LS3, L92 and L76 cylinder heads. This manifold is for carbureted racing applications operating between 3500-7500 rpm. This manifold uses a standard square bore carb flange that is compatible. The LS3, L92 and L76 all use the same cylinder head.
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
Uses LS3/L76/L92 style individual port O-ring seals GM PN19256623
4150 Carb flange
Throttle body recommendations: Edelbrock # 38783
L92 heads are intended for 4.00" bores and will not work with 5.7L blocks without valve reliefs
Manifold Dimensions: Roof to bolt centerline-1.85", Floor to bolt centerline -0.57", Hieght-2.42", Carb pad height 7.40"