CARB Restricted: This product cannot be shipped to California or other CARB-regulated states.

This special-order item requires extra processing time; we’ll email you the ETA after your order, or you can use the contact form with your shipping address and item name to request it.

Edelbrock

Edelbrock Crate Engine Edelbrock/Pat Musi 555 RPM XT BBC 675 HP Stock Exhaust Port Location

Regular Price
$19,775.95 USD
Sale Price
$19,775.95 USD
Regular Price
Sold Out
Unit Price
per 
Only 0 left!

Details

The Edelbrock/Musi 555 part #49550 Big-Block Chevy crate engine is a powerful big cubic inch package that features the all new Edelbrock E-CNC cylinder heads for the ultimate in performance. This engine delivers an incredible 676 horsepower and 649 ft-lbs. of torque on 91 octane pumps gas. The Edelbrock E-CNC cylinder heads are fully CNC ported to achieve optimal air-flow for maximum horsepower and torque in high Performance's street and light duty racing applications. This crate engine features exhaust port exits in the stock location, which allows for the use of off-the-shelf headers. Each engine is assembled by 8-time Pro Street World Champ Pat Musi. The crate engine carbureted package includes a Victor Jr. intake manifold and 800cfm Thunder Series AVS carburetor. Engine Specifications:- Displacement: 555 c.i.d.- Horsepower: 676 hp- Torque: 649 ft-lbs.- Compression: 10.0:1- Block: Big-block 9.8"- Crankshaft: Forged Steel 4.250"- Pistons: Forged- Camshaft: Rollin' Thunder Hydraulic Roller #2264- Rocker Arms: 1.7:1 Roller- Manifold: Victor Jr. 454-R #2902- Cylinder Heads: E-CNC #79555- Carburetor: Thunder Series AVS 800 cfm carb- Distributor: Included- Valve Covers: Cast Aluminum- Warranty: 2-year / Unlimited mileage

Installation Instructions
Warranty
Installation Instructions
Installation Instructions
Trusted Performance Specialists Since 1996  •  60,000+ Builds Powered  •  Authorized Dealer of 250+ Brands
📧 Contact Us | 🕐 Mon–Fri 9am–6pm PST | ↩ Reply within 1 business day
affirm 0% financing on orders $500+
VISA MC AMEX Shop Pay
SP Engineering  •  424 Turnbull Canyon Rd, City of Industry, CA 91745  •  Est. 1996
© 2026 SP Engineering. All rights reserved.