BluePrint Engines Pro Series GM LS 376 Small-Block Crate Engine Long Block 520 HP

This Pro Series engine (PSLS3760CT) delivers 520 horsepower and 495 ft./lbs. of torque. It’s done by using aluminum cylinder heads and a strong LSX-style block made of cast iron. It features increased deck thickness and strength webbing, along with an improved water jacket. You also get an LS valve cover, and LS swap oil pan, and harmonic balancer. Ignition is controlled by your own ECU!

Features and Benefits:
- High-strength, cast iron engine block with 4.0662” bore
- Operates at 520 horsepower and 495 ft.-lbs. torque
- 10.7:1 compression ratio for stronger throttle response and crisp performance
- Increased deck thickness and strength webbing
- 6-bolt main offers stronger bottom end for high-HP applications
- 1-piece rear main seal ensures stronger, leak-free security
- Extended cylinder skirt and improved water jacket design
- Uses OEM LS3 front/rear covers and priority main oiling
- Nodular iron crankshaft with 3.622" stroke
- Forged 6.125" connecting rods with 150,000 PSI bolts
- Hypereutectic pistons for better strength and heat resistance
- Rotating assembly has internally balanced front and rear
- Hydraulic roller cam. for lower maintenance and better strength than flat tappet cam.
- Ignition timing is controlled by customer’s ECU
- Backed by BluePrint Engines' 30-month/50,000 mile-warranty

Also Includes:
- LS valve covers
- LS swap oil pan
- Harmonic balancer

Cylinder Head Specifications:
- 69cc chambers
- 2.165" intake / 1.590" exhaust valves
- 259cc intake / 102cc exhaust runners

Camshaft Specifications:
- .612” intake / .585” exhaust lift
- 225 degrees intake / 238 degrees exhaust duration
- @ .050-113 degrees lobe separation

Please Note: Does NOT ship with engine controller kit. Must be purchased separately for your specific application.