BluePrint Engines 390 HP Long Block GM 350 Small-Block Crate Engine

Cruise the streets with muscle to match using a GM 350 small-block crate engine. BluePrint Engines crafted this block for drivers that want strong but easy-to-manage power. It features a mid-range camshaft and runs great on pump gas. Meaning, it offers smooth, reliable performance worthy of restomods and daily drivers alike.

Features and Benefits:
- High-strength, cast iron engine block with 4.000” bore
- Operates at 390 horsepower and 410 ft.-lbs. torque
- 9.2:1 compression ratio for balance of power and reliability
- 4-bolt main offers stronger bottom end for high-HP applications
- 1-piece rear main seal ensures stronger, leak-free security
- Block is drilled and tapped for clutch linkage
- Built-in BluePrint Engines Muscle Series cylinder heads made of aluminum
- Cast iron crankshaft with 3.480" stroke and forged 5.700" connecting rods
- Hypereutectic pistons for better strength and heat resistance
- Rotating assembly: internally balanced front, externally balanced rear
- Hydraulic roller cam. for lower maintenance and better strength than flat tappet cam.
- Ignition timing: 32° total at 3500 RPM
- Includes mechanical fuel pump provision and passenger-side dipstick
- Backed by BluePrint Engines' 30 month/50,000 mile-warranty

Also Includes:
- Valve covers
- Rear sump oil pan
- Timing cover

Cylinder Head Specifications:
- 64cc chambers
- 2.02" intake / 1.60" exhaust valves
- 195cc intake / 75cc exhaust runners

Camshaft Specifications:
- .495” intake / .502” exhaust lift
- 220° intake / 224° exhaust duration
- @ .050-114° lobe separation

Please Note: The cylinder heads feature a .500" raised port vs OEM. Please verify header and exhaust clearance prior to installation.