Edelbrock Crate Engine LS3 Long Block Only

Warranty: 2-year / Unlimited mileage

Additional Information

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

Application Summary

Chevrolet:Small-Block Gen IV LS3:416 (6.8L)

Part Type

Engine Long Block

Product Overview

Edelbrock part #46720 is the same long-block used on our E-Force 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

• Aluminum Block For Light Weight

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Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

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Reference Information

Crate Engine, GM LS 416 C.I.D., Long Block, Assembled, Internal Engine Balance, Aluminum Heads, Chevy, Each

Edelbrock 416 c.i.d. long block engine assemblies for GM LS are great foundations for building some serious horsepower. Each begins with an all-new GM aluminum LS3 engine block fitted with a forged and balanced crankshaft, forged H-beam connecting rods, and forged aluminum pistons. They create a 416 c.i.d. LS3 stroker with a 4.065 in. bore and 4.000 in. stroke offering a pump gas-friendly 9.5:1 compression ratio. The compact design of Edelbrock 416 c.i.d. long blocks for GM LS allow for seamless integration into most platforms, eliminating the need for modifications to your engine bay or hood. Black powdercoated engines are also available.