Engine Long Block | 10136-13472R

Engine Specifications: • HP: 505 • TQ: 480 • Block: OE LQ4/6.0L Iron • Bore/Stroke: up to 4.040” x 3.622” • Displacement (cu.in): up to 371 • Crankshaft: OE GM 24 tooth reluctor wheel • Rods: OE powder metal or Stock GM • Pistons: Hypereutectic 10:1 compression • Rings: Moly • Camshaft: Hyd. Roller • Cam Specs: Custom performance grind • Timing Chain: OE single roller • Cylinder Heads: OE cathedral port aluminum 71cc/210cc 2.00/1.55 • Rocker Arms: 1.7 Ratio • Oil Pump: Melling STD Volume 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: NGK #3186 • Spark Plug Wires: Factory 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: 1800+ • Exhaust: 1 5/8 + Headers (Per application – Larger diameter will make more power) Notes: This engine replaces the 2001-2007 Chevy 6.0L LQ4 engine. ECM MUST BE TUNED, not doing so can damage the engine