Take your LS swap build to the next level with the BluePrint Engines GM LS Compatible 427 c.i. Engine and TKX Manual Transmission Package. Designed for enthusiasts who want modern LS power with the excitement of a manual gearbox, this Standard Edition Builder Series drivetrain delivers 605 horsepower and 565 lb-ft of torque while combining a high-strength 427 cubic inch LS-compatible engine with a Tremec TKX 5-speed manual transmission.

Built for street performance, Pro-Touring, and restomod applications, this 427 c.i. engine features a BluePrint LSX-style cast iron block, aluminum LS3-style cylinder heads, forged rotating assembly, hydraulic roller camshaft, and 11:1 compression ratio. The included Holley Terminator X Max Gen IV EFI System provides complete ECU control, wiring harness integration, touchscreen setup capability, and a BluePrint-calibrated tune for reliable performance.

The Natural Pulley Kit provides a clean OEM-inspired appearance while the complete TKX transmission package includes the clutch, hydraulic throw-out bearing, bell housing, billet flywheel, and starter. This turnkey drivetrain package is ideal for Camaro, Firebird, Corvette, Chevelle, Nova, and custom GM LS swap projects.

Key Features:

• Complete GM LS-compatible engine and TKX manual transmission package
• 427 cubic inch displacement
• 605 horsepower
• 565 lb-ft torque
• Standard Edition Builder Series
• Natural Pulley Kit
• Tremec TKX 5-speed manual transmission
• BluePrint Engines LSX-style high-strength cast iron block
• Increased deck thickness and strength webbing
• OEM LS3 front and rear cover compatibility
• Improved water jacket design
• Extended cylinder skirt
• One-piece rear main seal
• Priority main oiling system
• Six-bolt main design
• BluePrint LS3 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
• Integrated touchscreen handheld controller
• GM plastic intake manifold
• Drive-by-wire throttle body
• Fuel injectors and fuel rails
• Coil packs, sensors, spark plugs, and wires included
• Harmonic balancer included
• Natural front accessory drive:
  • LT1-style 150 amp alternator
  • LT1-style water pump
  • Type II power steering pump
  • Compact A/C compressor
• TKX transmission package includes:
  • McLeod Super Street Pro twin-disc clutch
  • Hydraulic throw-out bearing
  • Bell housing
  • Billet flywheel
  • Starter
• TKX Gear Ratios:
  • 1st: 2.87:1
  • 2nd: 1.89:1
  • 3rd: 1.28:1
  • 4th: 1.00:1
  • 5th: 0.68:1
• 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 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 EFI system includes a BluePrint calibration. Do not follow standard Holley EFI manual calibration procedures for this engine package.
• BluePrint recommends air intake kit BPPLS01013 to maintain proper MAF calculations and dyno calibration.
• Retro-fit oil pan fits most 1955-1995 GM front-engine, rear-wheel-drive V8 applications.
• Engine/transmission package ships assembled.