INTAKE MANIFOLD & MSD IGNITION CONTROLLER,LS3,L92,DUAL-PLANE,4150,SATIN Forward Swing Mount One wire ECM signals input

One wire ECM signals input source

2015-2024 SILVERADO 2500 HD

1970-1981 FIREBIRD WITH BIG BLOCK CHEVY ENGINE

CNC MACHINED FOR GM TRANSMISSIONS

45 DEGREE HEADER ELBOW

INTAKE MANIFOLD & MSD IGNITION CONTROLLER,LS3,L92,DUAL-PLANE,4150,SATIN Forward Swing Mount One wire ECM signals inputBrand New Holley Intake Manifold & MSD Ignition Controller, Compatible with Rectangle Port GM LS Engines (Part #300 129 MSD). Kit Includes: Holley Dual Plane Intake Manifold: Fits all G LS Gen III or IV engines equipped with LS3 L92 style rectangular port cylinder heads. 4150 Square bore flange Optimized runner layout & constant cross sectional area broad torque curve, best vehicle performance from 1500 6500 RPM Minimum carb flange height fits in