Upgrade your classic GM build with modern LS performance and the driver engagement of a six-speed manual transmission with the BluePrint Engines GM LS Compatible 376 c.i. Engine and T56 Manual Transmission Package. Producing 530 horsepower and 495 lb-ft of torque, this complete drivetrain package combines reliable LS-based power with a proven T56 six-speed manual transmission for street, performance, and Pro-Touring applications.

The Standard Edition Builder Series 376 c.i. LS-compatible engine features a high-strength LSX-style block, BluePrint aluminum cylinder heads, hydraulic roller camshaft, hypereutectic pistons, and a nodular iron crankshaft. Fuel and spark management are handled by the Holley Terminator X Max Gen IV EFI system, providing simplified tuning, precise control, and excellent drivability.

Finished with a natural pulley kit, this package provides a clean OEM-inspired appearance while delivering a complete manual-transmission LS swap solution. The included T56 transmission package features a McLeod Super Steel Pro dual-disc clutch, bell housing, billet flywheel, engine guard, and starter for a ready-to-install drivetrain combination.

Key Features:

• Complete GM LS-compatible engine and T56 manual transmission package
• 376 cubic inch displacement
• 530 horsepower
• 495 lb-ft torque
• BluePrint Engines high-strength LSX-style cast iron block
• BluePrint aluminum cylinder heads
• Hydraulic roller camshaft
  • .612" intake lift
  • .585" exhaust lift
  • 225° intake / 238° exhaust duration @ .050"
  • 113 LSA
• 10.7:1 compression ratio
• Hypereutectic pistons
• Nodular iron crankshaft
• 3.622" stroke / 6.098" connecting rods
• Holley Terminator X Max Gen IV EFI system with ECU and harness
• Natural pulley kit finish
• T56 six-speed manual transmission package
• McLeod Super Steel Pro dual-disc clutch
• Billet flywheel
• Bell housing included
• Engine guard and starter included
• Designed for 91+ octane fuel

Fitment Applications:

• Chevrolet Camaro LS swap builds
• Pontiac Firebird LS swap builds
• Chevrolet Corvette LS conversions
• Chevrolet Chevelle LS conversions
• Chevrolet Nova LS conversions
• GM muscle car restomod builds
• Pro-Touring applications
• Street rods and custom performance vehicles

Installation Notes:

• Verify engine bay clearance, accessory drive configuration, transmission tunnel clearance, and shifter location before installation.
• Additional swap components may be required depending on vehicle application:
  • Engine mounts
  • Transmission crossmember
  • Driveshaft modification
  • Cooling system upgrades
  • Fuel system upgrades
  • Exhaust system modifications
  • Wiring integration
• Engine/transmission package ships assembled.
• Holley EFI ECU is calibrated by BluePrint Engines; follow BluePrint tuning recommendations for this engine package.