ATK High Performance Chevy LM7 383 Short Blocks - SP78

Upgrade your Chevrolet's performance with the ATK High Performance LM7 383CI Short Block, engineered for durability and power. This remanufactured short block is designed to enhance your engine's capabilities, making it an ideal choice for enthusiasts seeking reliability and performance.

• Forged Aluminum Pistons: Built for strength and reduced weight, these pistons offer improved efficiency and performance.
• Forged 4340 Steel Crankshaft: Designed to withstand high levels of stress, ensuring longevity and reliability under demanding conditions.
• 6-Bolt Main Design: Provides superior stability and strength, crucial for high-performance applications.
• Internal Balance: Reduces vibrations for smoother operation, enhancing overall engine performance.
• Dish Piston Style: Optimizes combustion efficiency, promoting better power output and fuel economy.

This short block boasts a 6.3L displacement and is compatible with Chevy LS engines, making it a prime choice for your next build. Elevate your driving experience with ATK's commitment to performance.