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High performance engine assembly with durable components for various applications.
The ATK Engines Chevrolet Small Block 5.7L engine complete assembly is designed for automotive enthusiasts seeking reliable performance. This engine features a carbureted design with a power output of 345 horsepower and 400 foot pounds of torque, making it suitable for a range of vehicles from classic cars to off-road applications. Constructed with a cast iron cylinder head and hypereutectic pistons, it ensures long-term durability and maximum performance under various conditions.
With a compression ratio of 9.1:1, a bore of 4.040 inches, and a stroke of 3.480 inches, this engine is engineered for efficiency and power. The assembly includes essential components such as a hydraulic roller camshaft, double roller timing chain, and a mechanical fuel pump, providing a complete solution for engine replacement or upgrades. The vibrant orange finish adds a distinctive look, while the internal and external balancing ensures smooth operation.
ATK Engines has a legacy of over 80 years in engine building, offering products that are built with name brand parts and proven combinations. This engine assembly is compatible with Chevy small block applications and is ideal for those looking to enhance their vehicle's performance with a reliable and powerful engine.
Features
- Provides Maximum Performance And Long-Term Durability
- ATK High Performance Engines Are Based On Dyno Proven Combinations Built With Name Brand Parts
- Features Hypereutectic Pistons And Moly Rings
- Features Hydraulic Roller Camshaft
- Features Double Roller Timing Chain
- Features Stamped Steel Rocker Arms
- Features Cast Iron Cylinder Head
- Features Melling High Volume Oil Pump
- Features Mechanical Fuel Pump
Specifications
- Manufacturer: ATK Performance Eng.
- Manufacturer Part Number: HP98C
- Condition: New
- Engine Compatibility: Chevy Small Block 5.7L 350 Cubic Inch
- Fuel Delivery Type: Carbureted
- Horse Power Output: 345 Horsepower
- Torque Output (FT-LB): 400 Feet Pound
- Cylinder Head Material: ATK Cast Iron 76cc/ 165cc 1.94/ 1.50
- Cylinder Block Material: Cast Iron
- Bore (IN): 4.04 Inch
- Stroke (IN): 3.48 Inch
- Compression Ratio: 9.1:1
- Color: Orange
- Balanced Type: Internal/ External
- Includes Fuel Pump: Mechanical Fuel Pump
- Includes Oil Pan: 5 Quart Rear Sump Oil Pan
- Includes Valve Covers: Yes
- Includes Harmonic Balancer: PowerBond Part PB1046-N
- Includes Water Pump: Yes
- Includes Intake Manifold: ATK Dual Plane Intake Manifold
- Includes Carburetor: Quick Fuel 680 CFM Vacuum Secondary’s With Electric Choke Part HR-680
- Includes Air Cleaner: No
- Includes Timing Chain Cover: Yes
- Includes Distributor: HEI Distributor
- Includes Ignition Wires: No
- Includes Spark Plugs: Champion Part RV12C
- Includes Wiring Harness: No
- Includes Flywheel: No
- Marine: No
Compatibility / Fit
- 1900-1900 Chevrolet Small Block 1955-1986
Technical Documents
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
