GM LS Truck Compatible 376 c.i. Pro Series Engine - 495 Horsepower - Base Dressed - No ECU / Harness

The satisfaction of our customers is our highest priority at BluePrint Engines. We use quality components to balance your engine's rotating assembly within two grams of spec. We dyno test your crate engine and certify that it's ready to deliver horsepower and torque.

We give your BluePrint engine the industry's best-in-class warranty for 30-months / 50,000 miles — with the extra confidence only BluePrint can provide. Our warranty applies to individual or professional installations and is fully transferable.

• Designed as factory replacement long block for specified vehicles and year ranges, using OEM specification parts. Customer to re-use existing intake manifold, ecu (if equipped), exhaust, fuel system etc. Modification or replacement of provided tinware, and minor accommodations such as dipstick location may be required.
• Specifically designed as an OEM spec engine to meet emissions requirements of the specified vehicles, to meet the criteria of "replacement engine" in all 50 states.
• If your vehicle was originally equipped with a 2-piece rear main seal crankshaft, a new flex plate or flywheel will be required. Note for those same early applications, this block features the dipstick on the Passenger side.
• Must verify with application list linked above for fitment.

• New Valve Covers
• Rear Sump Oil Pan
• Timing Cover
• Harmonic Balancer

Recommended Break in Oil: BPP710 (Click Here)

Recommended Service Oil: BPP10W30 (Click Here)

Recommended Oil Filter: BPP51061 (Click Here)

• OEM Specifications

• Hydraulic Flat Tappet
• OEM Spec Per Listed Vehicles

• Perimeter Bolt Iron Cylinder Heads

• Cast Crankshaft
• 3.480" Stroke
• Forged 5.700" Connecting Rods
• OEM Spec Pistons
• Internally Balanced Front - Externally Balanced Rear Engine