LT4 Supercharged Wet Sump Crate Engine

P/N 194131955

650 hp @ 6,400 rpm / 650 lb.-ft. @ 3,600 rpm

For Connect & Cruise 8-Speed Auto Package

LT4 6.2L Tech Specs:

Part Number: 19418844 (wet sump)
Engine Type: Gen V V-8
Displacement (cu in): 376 cu in 6.2L
Bore x Stroke (in): 4.065 x 3.622 (103.25 x 92mm)
Block (P/N 12619171): Cast-aluminum with 6-bolt, cross-bolted main caps
Crankshaft: Forged Steel
Connecting Rods: Forged powdered-metal steel
Pistons: Forged aluminum
Camshaft Type: Hydraulic roller
Valve Lift (in): 0.492″ intake / 0.551″ exhaust
Camshaft Duration (@0.050 in): 189° intake / 223° exhaust
Cylinder Heads: A356 T6 Rotocast aluminum; as cast with 65.5cc chambers
Valve Size (in): 2.130″ intake / 1.590″ exhaust
Compression ratio: 10:1
Rocker Arms (P/N 12619829): Investment-cast, roller bearing trunnion
Rocker Arm Ratio: 1.81:1
Recommended Fuel: Premium Pump
Maximum Recommended RPM: 6,600
Reluctor Wheel: 58x
Balanced: Internal

Installation Notes:

• Engines shipped with high-pressure direct-injection fuel pump installed
• Comes with a Corvette oil pan – Use oil hose adaptors P/N 25534412 to adapt AN-12 fittings
• Assembly does not include electronics
• Use LT4 Controller Kit, P/N 19355174 for engine operation with 8L90-E 8-speed automatic transmission or P/N 19366789 for 4L75-E 4-speed automatic AND T56 6-speed manual transmissions – Kits include electronic throttle pedal, which is required for throttle input to the ECU
• Flywheel included
• Intended for pre-1976 street vehicles or off-highway vehicles only
• Not intended for marine applications
• Front-End Accessory Drive Kit, P/N 19332590, can be ordered separately
• 8-bolt crankshaft flange
• Shipped with 14″ flexplate