Intake Manifold Kit to give your LS that old school look. Perfect for cruisers and hot rods that want to keep that OEM or classic look while adding the power and reliability of a LS engine to their ride!

Kit Includes:

- Choice of Intake Manifold: Manifolds available in standard single plane (Cathedral/Rectangle/LS7 ports) or split race design for easy port work (Cathedral/Rectangle ports only)

- Fuel Rails and hardware

- Throttle body adapter and hardware: Convert from 4150 carb style flange to 4-bolt LS throttle body (92mm or 105mm)
You can use either Gen IV LS throttle bodies, Vortec truck throttle body, or the LS3 throttle body (ACC-1035).

Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!

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Classic Intake Manifold Kit for LS Engines

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