Chevrolet Performance 19433750 - L8T 6.6L Longblock

In addition to the complete L8T crate engine, Chevrolet Performance offers the L8T Long Block. The high-output, direct-injected foundation of the Gen V small block based 6.6L engine offered in the Silverado 2500HD and 3500HD models. Our L8T Long Block includes the direct injection cylinder heads and coil-on-plug ignition system, as well as the oil pan with dipstick, but does not include the intake manfiold, throttle body, engine mounted high-pressure direct injection fuel pump or fuel injectors. All must be sourced separately to complete the engine assembly. Additionally, the front end accessory drive system is not included. See installation notes for recommendations, the suggested parts at the bottom of the page, or give our sales representatives a call to help complete your L8T components. Engine Wet Sump L8T 6.6L Compression Ratio 10.8:1 Block L8T Cast Iron 6-Bolt 4.060" Bore Crankshaft Forged steel, 3.860" Stroke Heads 12703610 Cast Aluminum, 59.02cc Valves 2.130" Hollow Intake/1.590" Inconel Exhaust Camshaft Lift Hydraulic Roller 0.500"/0.492" Dur. @ 0.050" 193°/199° Intake, Throttle Body, FEAD, Exhaust Manifolds, Direct Injection Fuel system (High Pressure Fuel Pump, sensor, injectors, fuel lines are not included! L8T 6.6L Longblock SKU: 19433750 Built with a forged steel crankshaft and other high-strength parts! Additional features such as oil spray cooling for the pistons and cast iron, long-skirt cylinder block with six-bolt, and cross-bolted main caps contribute to the engine's strength and durability. Exhaust manifolds are not included! • Use Front End Accessory Drive system P/N 19433745 for applications with air conditioning and Front End Accessory Drive system P/N 19433746 for applications without air conditioning. • Used with Engine Control Kit 19433736 (must use 6L80 transmission). Includes programmed controller, wire harness, pedal, oxygen sensors and mounts, MAF, Fuel Line Pressure Sensor, and Fuel Pump Power Module. • Full crate engine versions are available in Connect & Cruise (with 6L80 transmission).