• Edelbrock Crate Engine LS3 Long Block Only 46720 46720 Photo - Primary
  • Edelbrock Crate Engine LS3 Long Block Only 46720 46720 Photo - Primary
  • Edelbrock Crate Engine LS3 Long Block Only 46720 46720 Photo - Unmounted
  • Edelbrock Crate Engine LS3 Long Block Only 46720 46720 Photo - Unmounted
  • Edelbrock Crate Engine LS3 Long Block Only 46720 46720 Photo - out of package
  • Edelbrock Crate Engine LS3 Long Block Only 46720 46720 Photo - out of package
  • Edelbrock Crate Engine LS3 Long Block Only 46720 46720 User 3
  • Edelbrock Crate Engine LS3 Long Block Only 46720 46720 User 4
  • Edelbrock Crate Engine LS3 Long Block Only 46720 46720 User 1
1 9
Edelbrock Authorized Dealer

Edelbrock Crate Engine LS3 Long Block Only 46720

Edelbrock Crate Engine LS3 Long Block Only 46720

$22,823.75
$22,823.75 $22,823.75
Sale Sold out

Out of stock

Emissions

⚠️ RACING/COMPETITION Use Only

California: Non-compliant parts may be used only on designated closed-course racing vehicles that are never registered for highway use.

Other: Please consult your local statutes and ordinances to ensure compliance with regional emissions standards.

Need this part?

This item is currently unavailable. Ask us about availability or help finding a suitable replacement.

Ask about availability or fitment

Year, make, model and engine help us check fitment.

We'll reply to your inquiry by email. This is not an automatic restock alert.

Shipping & returns

This selection is unavailable. Ask us to confirm availability and timing.

Shipping details

In-stock orders are processed within 48 hours; transit time is additional.

International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.

Read the shipping policy

Returns

Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.

Read the full return policy
Return details & how to start

Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.

Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.

Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.

Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.

After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.

Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.

For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.

Edelbrock Engines 46720 Engine Specifications: Displacement: 416 c.i.d.; Horsepower: N/A; Torque: N/A ;Compression: 9.5:1; Block: LS3 Aluminum; Crankshaft: Forged 4340; Pistons: Forged Aluminum; Rods: Forged H-Beam; Camshafts: 215░/247░, .629/.656, 121 LSA; Rocker Arms: LS3, 1.7 ratio; Induction: E-Force Supercharger System #1540; Cylinder Heads: GM with Edelbrock Valve Springs #5768; Finish: Black powder coated ;Warranty: 2-year / Unlimited mileage * This 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 a aluminum LS3 blockwith 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. ** Top of supercharger measures 21.54" from crank centerline (special order with lower profile, Corvette, lid for additional 2" of hood clearance.) 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. Crate Engine; LS3 Long Block Only Edelbrock Crate Engine; LS3 Long Block Only CRATE ENGINE
View full details

Vehicle fitment