Notes: This engine is a suitable replacement for 2001-2007 Chevy 4.8L, 5.3L, and 6.0L engines with the necessary upgrades. ECM tuning and injector upgrades are required to ensure optimal performance and to prevent engine damage.
One-time guaranteed replacement, regardless of the cause of failure.
One-time guaranteed replacement, regardless of the cause of failure.
Engine Specifications:
• HP: 500
• TQ: 440
• Block: OE LM7/5.3L Iron
• Bore/Stroke: up to 3.903” x 3.622
• Displacement (cu.in): up to 347ci
• Crankshaft: OE GM 24 tooth reluctor wheel
• Rods: OE powder metal
• Pistons: Hypereutectic 10.1 compression
• Rings: Moly
• Camshaft: Hyd. Roller
• Cam Specs: Custom performance grind
• Timing Chain: OE single roller
• Cylinder Heads: AFR CNC ported aluminum 59cc/200cc 2.000”in/1.570”ex
• Rocker Arms: OE 1.7 ratio with trunnion upgrade
• Oil Pump: Melling M295
Recommended Components:
• Flexplate/Flywheel: Stock internally balanced
• Balancer: Stock internally balanced/per application
• Intake Manifold: Stock EFI intake or aftermarket
• Water Pump: Per application
• Fuel Pump: Stock electric
• Fuel Injectors: 36lb injectors
• Spark Plugs: Autolite #104
• Spark Plug Wires: Factory or Aftermarket
Engine Info:
• Oil: Conventional / Non Synthetic 10W30
• Oil Filter: Wix or K&N
• Timing: Set to factory specifications via PCM module (ECM TUNING REQUIRED).
• Spark Plug Gap: .040”
• Firing Order: 18726543
• Octane: 91+
• Stall Converter: 2200+
• Exhaust: 1 5/8+ Headers