APPLICATION: Gen 3/4 LS/Vortec engine with classic style LS intake manifold

PARTS INCLUDED: Aluminum air cleaner adapter (THR-3011), aluminum 4150 flange adapter (THR-3501), hardware

ADDITIONAL ITEMS REQUIRED: Classic style LS intake manifold (INT-CLASSIC), 4 bolt drive by wire throttle body (THR-4TR), LS3 Bosch MAP Sensor (ACC-1133), IAT Sensor (GM# 25036751).

NOTES: Get the perfect OE or Hot Rod look on your LS swap with this adapter kit! Includes both adapters required to run a 5 1/8" air cleaner and 4-Bolt LS DBW throttle body on a 4150 EFI intake manifold. Keep OE drivability while getting that Classic look utilizing this Machined 6061 Throttle Body adapter when using an EFI Single plane style intake manifold.

The overall height of these adapters including the throttle body inbetween is approximately 4 & 3/8 inches.

Includes LS3 style MAP sensor port, 3x vacuum ports, maintains use of factory O-ring throttle body gasket, accepts 1/4"-20 air cleaner stud (NOT INCLUDED).
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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 and are 100% Computer Quality Tested. 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!

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Classic style LS air cleaner adapter kit

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