The BluePrint Engines GM LS Compatible 376 C.I. Builder Series Engine & Tremec TKX 5-Speed Manual Transmission Package delivers modern LS power with the compact size and crisp shifting of the TKX manual transmission. Producing 530 horsepower and 495 ft.-lbs. of torque, this complete turnkey drivetrain is ideal for muscle cars, pro touring builds, street rods, and custom LS swap projects that demand outstanding performance, reliability, and driver engagement.

Built around BluePrint's high-strength LSX-style cast iron block, the 376 C.I. engine features BluePrint aluminum cylinder heads, hypereutectic pistons, forged connecting rods, a nodular iron crankshaft, and a hydraulic roller camshaft engineered for exceptional throttle response and broad power delivery. Fuel and ignition are managed by the included Holley Terminator X Max Gen IV EFI System, complete with a pre-calibrated ECU, wiring harness, sensors, and handheld programmer for straightforward installation and excellent drivability.

This version includes the complete Black Front Accessory Drive Kit, featuring a premium blackout appearance with an LT1-style alternator, water pump, power steering pump, and compact A/C compressor. The engine and TKX 5-speed manual transmission are factory assembled and include a complete McLeod clutch package, providing a professionally matched drivetrain that's ready for installation.

Key Features:

• 376 C.I. GM LS Compatible Builder Series Engine
• 530 Horsepower / 495 ft.-lbs. Torque
• Tremec TKX 5-Speed Manual Transmission
• Standard Edition Builder Series
• Black Front Accessory Pulley Kit
• Holley Terminator X Max Gen IV EFI System
• Complete ECU & Engine Wiring Harness
• BluePrint High-Strength LSX-Style Cast Iron Block
• BluePrint Aluminum Cylinder Heads
• 10.7:1 Compression Ratio
• Hydraulic Roller Camshaft
  • .612" Intake Lift
  • .585" Exhaust Lift
  • 225° Intake Duration @ .050"
  • 238° Exhaust Duration @ .050"
  • 113° Lobe Separation Angle
• Hypereutectic Pistons
• Nodular Iron Crankshaft
• Forged 6.098" Connecting Rods
• LS3 Car Intake Manifold
• Drive-by-Wire Throttle Body
• BluePrint Fuel Rails & Injectors
• Coil Packs, Spark Plugs & Wires Included
• Low Profile LS Swap Oil Pan
• Harmonic Balancer
• Complete Black Front Accessory Drive
• Premium 91+ Octane Recommended
• Dyno Tested by BluePrint Engines

Transmission Package Includes:

• Tremec TKX 5-Speed Manual Transmission
• McLeod Super Street Pro Twin Disc Clutch
• Hydraulic Throw-Out Bearing
• Bellhousing
• 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

Fitment Applications:

Designed for custom GM LS-powered vehicles including:

• Chevrolet Camaro LS Swaps
• Pontiac Firebird LS Swaps
• Chevrolet Corvette
• Chevrolet Chevelle
• Chevrolet Nova
• Chevrolet C10 Trucks
• GM G-Body Vehicles
• Street Rods
• Pro Touring Builds
• Custom Performance Vehicles

Note: Verify engine mounts, transmission tunnel clearance, clutch hydraulic compatibility, driveshaft length, crossmember requirements, cooling system, and accessory clearance before installation.

Installation Notes:

• Ships with the engine and transmission factory assembled.
• Includes a Holley Terminator X Max EFI System with BluePrint's factory calibration.
• Do not overwrite the supplied ECU calibration by following the standard Holley EFI setup procedure.
• Includes the complete Black Front Accessory Drive Kit featuring:
  • LT1-style 150-amp alternator
  • LT1-style water pump
  • Type II power steering pump with reservoir
  • Compact air conditioning compressor
• BluePrint recommends using Air Intake Kit BPPLS01013 to maintain proper MAF calculations and preserve the factory dyno calibration.
• Recommended fuel: 91+ octane premium gasoline.