The BluePrint Engines GM LS Compatible 376 c.i. Engine and 4L80E Automatic Transmission Package delivers modern LS performance with the strength and reliability of a performance-built automatic drivetrain. Designed for high-performance street cars, Pro-Touring builds, restomods, and LS swap applications, this Standard Edition Builder Series package combines a 700 horsepower 376 c.i. LS-compatible engine, performance-built 4L80E automatic transmission, Natural Pulley Kit, and Holley Terminator X EFI System into a complete turnkey drivetrain package.

The 376 c.i. LS-compatible engine features a high-strength BluePrint cast iron block, LS3 aluminum cylinder heads, forged rotating assembly, hydraulic roller camshaft, and a 9.5:1 compression ratio designed for high-performance durability. The forged crankshaft, forged pistons, and forged connecting rods provide a strong foundation for demanding street and track applications.

The included Holley Terminator X Max Gen IV EFI System provides complete engine management with a calibrated ECU and harness system. The heavy-duty 4L80E automatic transmission package includes electronic transmission control, a 3000+ stall torque converter, flexplate, and starter, making this an excellent choice for high-torque LS swap builds.

Finished with a Natural Pulley Kit, this package provides a clean OEM-style appearance while delivering the performance needed for Camaro, Firebird, Corvette, Chevelle, Nova, and other custom LS-powered vehicles.

Key Features:

• Complete GM LS-compatible engine and 4L80E automatic transmission package
• 376 cubic inch displacement
• 700 horsepower
• 640 lb-ft torque
• Standard Edition Builder Series
• Natural Pulley Kit
• Holley Terminator X Max Gen IV EFI System
• BluePrint calibrated ECU and wiring harness
• LS3 aluminum cylinder heads
• 9.5:1 compression ratio
• High-strength BluePrint cast iron block
• Increased deck thickness and strength webbing
• Extended cylinder skirt design
• Priority main oiling system
• Six-bolt main configuration
• One-piece rear main seal
• OEM LS3 front and rear cover compatibility

Engine Internals:

• Forged rotating assembly
• Forged pistons
• Forged crankshaft
• Forged 6.125" connecting rods
• 3.622" stroke crankshaft
• Hydraulic roller camshaft:
  • .612" intake lift
  • .585" exhaust lift
  • 225° intake duration @ .050"
  • 238° exhaust duration @ .050"
  • 113° LSA
• Three-bolt camshaft design

EFI System:

• Holley Terminator X Max Gen IV EFI
• Complete ECU and harness
• BluePrint calibration included
• High-flow fuel injectors
• Fuel rails
• Drive-by-wire throttle body
• Coil packs
• Sensors
• Spark plugs and wires

4L80E Automatic Transmission Package:

• Performance-built 4L80E four-speed automatic transmission
• Electronic transmission controller included
• 3000+ stall torque converter
• Flexplate included
• Starter included

4L80E Gear Ratios:

• 1st: 2.482:1
• 2nd: 1.482:1
• 3rd: 1.00:1
• 4th: 0.750:1
• Reverse: 2.077:1
• Recommended fuel: 91+ octane

Fitment Applications:

• 1982-2002 Chevrolet Camaro LS swap builds
• 1982-2002 Pontiac Firebird LS swap builds
• Chevrolet Corvette LS conversions
• Chevrolet Chevelle Pro-Touring builds
• Chevrolet Nova LS conversions
• GM restomod vehicles
• Classic muscle car LS swaps
• Custom LS swap applications
• High-performance street vehicles

Installation Notes:

• Verify engine bay and transmission tunnel clearance before installation.
• Additional components may be required depending on vehicle application:
  • Engine mounts
  • Transmission crossmember
  • Driveshaft modification
  • Cooling system upgrades
  • Fuel system upgrades
  • Exhaust modifications
  • Wiring integration
  • Rear differential/drivetrain upgrades
• The Holley Terminator X ECU includes a BluePrint calibration. Do not follow standard Holley EFI calibration procedures for this engine package.
• BluePrint recommends air intake kit BPPLS01013 to maintain proper MAF calculations and dyno calibration.
• Engine requires proper pre-lubing procedure before initial startup.
• Not intended for pollution-controlled vehicles.