Experience big-inch LS performance with the control and excitement of a modern manual transmission using the BluePrint Engines GM LS Compatible 427 c.i. Engine and TKX Manual Transmission Package. This Standard Edition Builder Series drivetrain combination delivers 585 horsepower and 520 lb-ft of torque, pairing a powerful 427 cubic inch LS-compatible engine with a Tremec TKX 5-speed manual transmission for a complete performance solution.

The 427 c.i. LS-compatible engine features a BluePrint high-strength LSX-style cast iron block, LS3-style aluminum cylinder heads, forged rotating assembly, hydraulic roller camshaft, and an 11:1 compression ratio for strong street and performance capability. The included Holley Terminator X Max Gen IV EFI System provides precise fuel control, complete ECU/harness integration, and a BluePrint-calibrated tune for reliable operation.

Finished with a natural pulley kit, this package delivers a clean OEM-inspired appearance while including a complete TKX manual transmission package with clutch, hydraulic throw-out bearing, bell housing, billet flywheel, and starter. Ideal for Camaro, Firebird, Corvette, Pro-Touring, restomod, and classic GM LS swap applications.

Key Features:

• Complete GM LS-compatible engine and TKX manual transmission package
• 427 cubic inch displacement
• 585 horsepower
• 520 lb-ft torque
• BluePrint Engines LSX-style high-strength cast iron block
• LS3-style aluminum cylinder heads
• 11:1 compression ratio
• Forged rotating assembly:
  • Forged crankshaft
  • Forged pistons
  • Forged 6.125" connecting rods
• 4.125" stroke crankshaft
• Hydraulic roller camshaft:
  • .624" intake lift
  • .624" exhaust lift
  • 239° intake duration @ .050"
  • 255° exhaust duration @ .050"
  • 114 LSA
• Holley Terminator X Max Gen IV EFI System
• Complete ECU and wiring harness
• BluePrint calibrated EFI programming
• Natural pulley kit
• Tremec TKX 5-speed manual transmission
• McLeod Super Street Pro twin-disc clutch
• Hydraulic throw-out bearing
• Bell housing included
• Billet flywheel included
• Starter included
• First gear ratio: 2.87:1
• Fifth gear ratio: 0.68:1
• Recommended fuel: 91+ octane
• Front accessory drive included based on configuration

Fitment Applications:

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

Installation Notes:

• Verify engine bay clearance, 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 modifications
  • Wiring integration
• Holley Terminator X ECU is calibrated by BluePrint Engines. Do not use standard Holley EFI base calibration procedures.
• Engine/transmission package ships assembled.
• Retro-fit oil pan fits most 1955-1995 GM front-engine, rear-wheel-drive V8 applications.
• Not intended for pollution-controlled vehicles or dry sump applications.