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High performance Chevrolet small block with 415 horsepower and durable components.
The ATK Performance Engine Block Long is designed for high performance applications, specifically tailored for the Chevrolet small block 383 cubic inch engine. This engine block delivers an impressive output of 415 horsepower and 450 foot pounds of torque, making it suitable for street performance and racing scenarios. Constructed from seasoned OE materials, it features a robust cast iron cylinder block and lightweight aluminum cylinder heads, ensuring both durability and efficiency.
With a compression ratio of 9.7:1, this engine block is engineered for optimal performance. The 4.040 inch bore and 3.750 inch stroke contribute to its powerful output, while the inclusion of hypereutectic pistons and moly rings enhances longevity and reliability. The hydraulic roller camshaft and nodular iron crankshaft are designed to provide smooth operation and increased power delivery, making this engine block a reliable choice for automotive enthusiasts.
ATK's commitment to quality is evident in the use of name brand components throughout the engine assembly. The engine is internally balanced and includes features such as a double roller timing chain and billet aluminum rocker arms. This combination of high-quality materials and advanced engineering makes the ATK Performance Engine Block Long a strong contender for those seeking enhanced performance in their vehicles.
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 Nodular Iron Crankshaft
- Features Hydraulic Roller Camshaft
- Features Double Roller Timing Chain
- Features Billet Aluminum Rocker Arms
- Features Aluminum Cylinder Head
- Features Melling Standard Volume Oil Pump
Specifications
- Manufacturer: ATK Performance Eng.
- Manufacturer Part Number: HP94
- Engine Compatibility: Chevy Small Block 383 Cubic Inch
- Recommended Use: Street Performance
- Horse Power Output: 415 Horsepower
- Torque Output: 450 Feet Pound
- Bore (IN): 4.04 Inch
- Stroke (IN): 3-3/4 Inch
- Compression Ratio: 9.7:1
- Color: Black/ Silver
- Cylinder Block Material: Cast Iron
- Cylinder Head Material: Aluminum
- Balanced Type: Internally/ Externally Balanced
- Includes Camshaft: Yes
- Includes Fuel Pump: No
- Includes Oil Pan: Yes
- Includes Water Pump: No
- Includes Intake Manifold: No
- Includes Carburetor: No
- Includes Air Cleaner: No
- Includes Distributor: 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.
