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Gen 3 426 HEMI Crate Engine (Long-Block Only)

Gen III 426 HEMI Crate Engine (Long-Block Only)

LS 416 (Long-Block) for forced Induction Applications

Edelbrock part #46720 long block features a GM aluminum LS3 block with a forged and balanced Manley crankshaft, forged Manley H-Beam connecting rods and Manley forged aluminum pistons to create a 416 c.i.d LS3 stroker
Edelbrock part #46720 is the same long-block used on our LS Supercharged crate engine that delivers 720 horsepower and 695 ft-lbs. of torque on 91 octane pump gas. It features an aluminum LS3 block with a forged and balanced Manley crankshaft, forged Manley h-Beam connecting rods and Manley forged aluminum pistons to create a 416ci LS3 stroker with 4.065" bore and 4 stroke. Its compact design allows for a seamless swap into most platforms; eliminating the need for modifications to your engine bay or hood. This long-block is a great foundation for starting any high performance forced induction LS based build. Engine Specifications: Finish: Black powder coated; Displacement: 416 c.i.d.; Horsepower: Upwards of 720 HP when used with Edelbrock supercharger; Torque: Upwards of 695 ft/lbs. when used with Edelbrock supercharger; Compression: 9.5:1; Block: LS3 Aluminum; Crankshaft: Forged 4340; Pistons: Forged Aluminum; Rods: Forged H-Beam; Camshaft: 215 Deg /247 Deg , .629/.656, 121 LSA; Rocker Arms: LS3, 1.7 ratio; Cylinder Heads: GM with Edelbrock Valve Springs #5768; Warranty: 2-year / Unlimited mileage; Long Block only. Does not come with an induction system
More Information
Manufacturer Edelbrock
Application Application Specific
UPC 00085347467204
Grade Type Performance
Quantity Sold Individually
Wiring Harness Included No
Main Bearing Cap Bolt Quantity 4-Bolt
Availability Note Built to Order
Warranty 24 Months
Horsepower N/A
Type GM LS3 (Long Block Only)
Camshaft Type 215deg/247deg, .629/.656, 121 LSA
Rocker Arm Type LS3
Carburetor Choke Type N/A
Carburetor Type Not Included
Rocker Arm Ratio 1.7:1
Spark Plugs Included No
Intake Manifold Type Not Included
Oil Filter Included Yes
Rear Main Seal Type 1-Piece
Valve Cover Material Cast Aluminum
Hardware Included Yes
Manifold Material N/A
Plug Wire And Boot Included No
Compression Ratio 9.5:1
Construction Type Assembled
Flywheel Included No
Cylinder Head Type GM LSA With Edelbrock Valve Springs
Piston Type Forged Aluminum
Timing Cover Included Yes
Cylinder Head Material Aluminum
Valve Cover Included Yes
Harmonic Balancer Included Yes
Crankshaft Material Forged Steel
Air Cleaner Type Not Included
Distributor Included No
Throttle Body Included No
Displacement 416 cid
Oil Pan Included Yes
Water Pump Included No
Engine Block Material Cast Iron
Torque N/A
Calibration No
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Chromium, Lead, and Zinc which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Installation Notes
  • Oil pan dimensions: 2.625" tall at the front, sump measures 6.75" (front) to 7.75" (rear) high and 7.75" in length. See our web site for reference dimensions. Your engine is supplied with Edelbrock Break-In Oil in the crate. Before starting engine, you will need to prime the oil system. Do not turn engine over with starter motor for priming.
Universal Or Specific Fit Specific
Valve Cover Type OEM, Black Powder Coated