ATK High Performance GM LM7/LS1 383CI 515+ HP Stage 1 Long Block Crate Engines LM7-LB-3 – Global Marine Engines

ATK High Performance GM LM7/LS1 383CI 515+ HP Stage 1 Long Block Crate Engines LM7-LB-3 Brand: ATK High Performance Engines Manufacturer’s Part Number: LM7-LB-3 Part Type: Crate Engines Product Line: ATK High Performance GM LM7/LS1 383CI 515+ HP Stage 1 Long Block Crate Engines Summit Racing Part Number: HPE-LM7-LB-3 UPC: 653517541254 Crate Engine Family: Chevy LS Actual Engine Displacement: 6.3L/383 Crate Engine Cylinder Head Material: Aluminum Engine Block Material: Cast iron Advertised Compression Ratio: 10.3:1 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 Quantity: Sold individually.