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Summit Racing SUM-150153 Summit Racing™ Chevy LS 5.3L 450HP Long Block Crate Engines
Summit Racing SUM-150153 Summit Racing™ Chevy LS 5.3L 450HP Long Block Crate Engines
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Brand: Summit Racing Manufacturer's Part Number: SUM-150153 Part Type: Crate Engines Product Line: Summit Racing™ Chevy LS 5.3L 450HP Long Block Crate Engines Summit Racing Part Number: SUM-150153 UPC: 190861239012 Crate Engine Family: Chevy LS Actual Engine Displacement: 5.3L/323 Crate Engine Cylinder Head Material: Aluminum Engine Block Material: Cast iron Advertised Compression Ratio: 10.0:1 10.0:1 Assembled: Assembled: Yes Engine Balance: Internal Cam Style: Hydraulic roller, OE roller Rear Main Seal Style: 1-piece Intake Manifold Included: No Cylinder Heads Included: Yes Carburetor Included: No Throttle Body Included: No Distributor Included: No Oil Pan Included: No Valve Covers Included: No Timing Cover Included: No Water Pump Included: No Harmonic Balancer Included: No Flexplate Included: No Flywheel Included: No Air Cleaner Included: No Spark Plugs Included: No Spark Plug Wires Included: No Computer Included: No Wiring Harness Included: No Supercharger Included: No Remanufactured: Yes Quantity: Sold individually. Notes: Not for 2007 and later trucks with Gen 4 engines. Exhaust and injector upgrades (about 36 lbs./hr. injectors for naturally aspirated) are recommended for optimal performance. ECU tuning is required. This engine includes a 1999-2007 Chevy Truck LM7 oil pump tube. If an aftermarket or different OEM oil pan is used, the appropriate oil pump pickup must be changed to match the pan. Do not re-use valve covers with plastic baffles. Leftover debris could damage engine. Not intended for marine use. -
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