# Edelbrock Crate Engine LS3 Long Block Only

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

## Details

- **Price:** 26838.15 CAD
- **Vendor:** Edelbrock
- **Type:** Engines

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 26838.15 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - Unmounted
- Photo - out of package
- User 1
- User 4
- Photo - out of package
- Photo - Unmounted
- User 3

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/edelbrock-crate-engine-ls3-long-block-only)
> Updated: 2026-08-18