19431955K5 LT4 376ci 6.2L Connect & Cruise Powertrain System
Product Discontinued
CHEVROLET PERFORMANCEPART NUMBER: 809-19431955K5

19431955K5 LT4 376ci 6.2L Connect & Cruise Powertrain System

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

LT4 376ci Engine with SuperMatic 8L90-E 8-Speed Automatic Transmission
LT4 376ci / 6.2L Connect & Cruise Powertrain System
  • Wet Sump Oil System
  • 650 HP @ 6,000 RPM
  • 650 ft.-lbs. TQ @ 4,600 RPM
  • 8L90-E Eight-Speed Automatic Transmission (Remanufactured)
  • Engine Specific Torque Converter

    19431955K5 LT4 376ci 6.2L Connect & Cruise Powertrain System Kit Includes:

    • (1) Chevrolet Performance LT4 376ci / 6.2L / 650HP Wet Sump Oil System Engine - 19431955
    • (1) Chevrolet Performance LT1 Controller Kit - 19418589
    • (1) Chevrolet Performance SuperMatic 8L90-E 8-Speed Automatic Transmission - 19419799
    • (1) Chevrolet Performance Transmission Attachment Kit [GM LT Engine to SuperMatic 8L90-E] - 19417103

    LT4 376ci / 6.2L TECH SPECS:

    • Engine Type: Direct injection spark ignition Gen V Small-Block V8
    • Displacement: 376ci (6.2L)
    • Bore x Stroke: 4.065' x 3.622' (103.25 x 92mm)
    • Block: Cast aluminum with 6-bolt, cross-bolted main bearing caps
    • Crankshaft: Forged steel, 8-bolt
    • Connecting Rods: Forged powdered-metal steel
    • Pistons: Forged aluminum
    • Compression Ratio: 10.0:1
    • Camshaft Type: Billet steel hydraulic roller
    • Valve Lift: .492' intake/ .551' exhaust
    • Camshaft Duration (@.050 in.): 189° intake / 223° exhaust
    • Cylinder Heads: A356T6 Rotocast aluminum, As-cast with 65.5cc combustion chamber
    • Valve Size: 2.130' intake / 1.590' exhaust
    • Rocker Arms: Investment-cast, roller trunnion
    • Rocker Arm Ratio: 1.81:1
    • Recommended Fuel: Premium
    • Maximum Recommended RPM: 6600
    • Reluctor Wheel: 58X
    • Balanced: Internal

    19431955K5 LT4 376ci 6.2L Connect & Cruise Powertrain System Notes:

    • Flywheel included
    • Intended for pre-1976 street vehicles or any off-road vehicles
    • Not intended for marine applications
    • The crankshaft has an 8-bolt flywheel mounting pattern
    • The engine includes Direct Injection and VVT

    19431955K5 supersedes 19418844K6

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

  • Part TypeEngine
    BrandCHEVROLET PERFORMANCE
    Part CategoryPerformance Parts
    Engine TypeHigh-Performance Crate Engine
    Cylinder Head MaterialAluminum
    Engine Block MaterialAluminum
    Part FitmentSemi Universal
    Engine Displacement6.2L
    Engine Make/SizeGM Gen V LT
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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