A BluePrint Engines LS Builder Series 376 Engine/ZF 8HP70 Transmission Combo is the Perfect Turnkey Powertrain

Don’t hassle with trying to make a junkyard LS engine and transmission work together when you can get a BluePrint Engines LS Builder Series 376 Engine/ZF 8HP70 Transmission Combo and call it a day. Perfect for all high-performance street machines, restomods, and Pro Touring builds, each combo features a brand new, fully assembled LS3-inspired engine making over 500 horsepower hooked to an all-new ZF 8HP70 eight-speed automatic transmission. They are fully tuned with a Holley Terminator X EFI system and integrated transmission controller to work perfectly together straight out of the crate.

In fact, the 376 Engine/ZF 8HP70 Transmission combos are so impressive, they wowed the judges at the 2025 SEMA Show, earning BluePrint Engines a coveted Best Product of the Year Award in the Street Rod/Custom Car category.

BluePrint Engines LS Builder Series 376 Engine/ZF 8HP70 Transmission Combos are available in two power levels:

• 510 horsepower with 440 lbs.-ft. of torque
• 530 horsepower with 495 lbs.-ft. of torque

As with all BluePrint crate engines, the combos come with verified dyno results and are backed by a 30-month/50,000-mile warranty. 

Full features of the BluePrint Engines LS Builder Series 376 Engine/ZF 8HP70 Transmission Combos include:

Engine Block:
• BluePrint Engines high-strength cast iron LSX-style with increased deck thickness and webbing for more strength
• Improved water jacket design for better cooling and extended cylinder skirts for added piston stability at BDC
• 4.0662-inch cylinder bores and six-bolt mains
• Priority main oiling and one-piece rear main seal

Rotating Assembly:
• Nodular iron crankshaft with 3.662-inch stroke
• BluePrint Engines hypereutectic pistons installed on forged 6.098-inch-long connecting rods
• Internally balanced

Cylinder Heads:
• Blueprint Engines Muscle Series LS square port aluminum cylinder heads
• 12-degree valve angles with 2.165-/1.590-inch intake and exhaust valves
• 259cc intake/102cc exhaust runners and 69cc combustion chambers
• 1.295-inch dual valve springs and 7-degree chromoly retainers   

Camshaft:
• Hydraulic roller cam rated at 225° intake/238° exhaust duration at .050-inch, .612-inch intake/.585-inch exhaust lift, and 113-degree lobe separation 

Air and Fuel:
• Holley Terminator X Max EFI system with harness and ECU kit, BluePrint Engines fuel injectors, rail, and 87mm drive-by-wire throttle body
• 510 HP engines are equipped with a custom fabricated, low-profile cast aluminum intake manifold
• 530 HP engines are equipped with an OEM GM plastic intake manifold

Transmission:
• Dual-clutch responsiveness with the drivability of a traditional automatic
• 7.0:1 wide ratio gear spread for strong acceleration
• Lightweight internals
• Lightning-fast 200ms shift times and manual mode option

Other Components:
• Coil packs, ignition wires, and spark plugs
• Rear-sump oil pan, windage tray, and pickup screen for LS swaps in 1955-85 rear-wheel drive vehicles
• Harmonic balancer, water pump, valve covers, OEM LS3 front and rear covers
• Throttle pedal and sensors
• BluePrint Engines custom electronic shifter assembly and park pawl release handle
• Transmission oil cooler, adapter, fittings, and hose kit
• 1350 U-joint yoke adapter
• Accessory drive kit with LT1-style water pump, 150-amp alternator, compact design A/C compressor, and Type II power steering pump in your choice of polished or black finishes

CHECK OUT THE BLUEPRINT ENGINES LS BUILDER SERIES 376 ENGINE/TRANSMISSION COMBOS