JEGS GM LS 5.3L 460 HP / 425 ft.-lbs. TQ Crate Engine

High-Performance LM7 Truck Engine Replacement or LS Swaps 

JEGS GM LS 5.3L 460 HP / 425 ft.-lbs. Torque Performance Crate Engine is designed to develop plenty of performance while providing excellent street manners with a noticeable idle. Designed as a Chevy/GMC truck LM7 replacement or perfect for LS swap applications, this engine provides huge performance gains in the mid to upper RPM range. These engines have been reverse engineered to remove any factory defects to be found and removed, allowing your muscle machine to provide reliable performance. This budget-friendly crate engine was factory checked after assembly to ensure proper operation and features a 24 month/unlimited mileage warranty.