Page 180 of GM Performance Parts 2006 Catalog by GM Parts Direct

NOTE: NOTE: Intake Manifolds, Gaskets Components Continued A. 12496822 Intake Manifold, Eliminator Vortec Design Designed to deliver the most power and torque with Vortec cylinder head P/N 12529093, 12558060, 12497186 or 12464298. Use intake manifold gasket P/N 12529094 and eight special manifold bolts P/N 12550027. B. 24502592 LT1 Aluminum Intake Manifold Fits 1992-1996 Gen II LT1 engines and permits the use of a carburetor. Long runners increase engine torque by 30 lb-ft without sacrificing top end horsepower. There are no water coolant holes on this manifold. Similar casting to 24502574 (see below). C. 24502574 LT4 Aluminum Intake Manifold Similar to LT1 manifold P/N 24502592 (see above), but used with 1996 LT4 engines or cylinder heads. The intake ports are .0100" higher than the LT1-design engine. Use intake manifold gasket P/N 12367777. D. 12498032 Ram Jet Fuel Injection Manifold Kit (less electronics) Retro-fit fuel injection kit will fit V-8 engines using iron Vortec cylinder heads P/N 12558060 or aluminum P/N 12464298. Must be used with an aftermarket ECM and wiring harness with the proper calibration. This unit is the same as used on Ram Jet 350 engine P/N 12499120. (MEFI with ECM and Wire Harness Kit P/N 12499116 is not calibrated for anything other than Ram Jet 350.) Kit includes the following, (as well as brackets, sensors, bolts, nuts, gaskets, and other small parts): 88959339 Instruction Manual 12489371 Intake Manifold 17096144 Throttle Body 1115498 Coil 12097982 Ignition Wire 1104060 Distributor 12498951 Air Cleaner 12553918 Injector Rail 17124248 8 Fuel Injectors 16249939 Map Sensor 10456126 Esc Knock Sensor 15326386 Engine Temp Sensor 17123897 Fuel Pressure Regulator It does not include ECM or wiring harness, which must be sourced separately. 12489371 350 Ram Jet Intake Manifold Used on the Ram Jet 350 engine assembly P/N 12499120. Bare manifold only no throttle body, injector rails, injectors, bracket, or any other components. See P/N 12498032 for complete manifold kit. Intake Manifold, Eliminator Vortec Design A LT1 Aluminum Intake Manifold B LT4 Aluminum Intake Manifold C CHEVY SMALL-BLOCK V-8 178 Ram Jet Fuel Injection Manifold Kit (less electronics) D

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