Product Overview

• Displacement: 5.3L (325 cu in) GM small block V8
• Horsepower: 270 to 355 hp depending on generation and RPO
• Condition: OEM used, compression tested and inspected
• Availability: Multiple generations and RPOs in stock
• Shipping: Free crated freight to all 50 states, 5 to 10 business days
• All 8 cylinders compression tested with results shared before payment
• Generation and RPO code confirmed before shipping
• AFM lifter inspection on Gen IV and Gen V units
• Timing chain stretch checked
• High pressure fuel pump inspected on direct injection L83 units
• 100% fitment verified before every order ships
• Zero core charge required, your existing engine stays with you
• Backed by a 15 day replacement warranty against internal defects