BluePrint Engines 600 HP Long Block GM 496 Big-Block Crate Engine

Whether you want a show car with some bite or a strip machine, BluePrint Engines is the go-to stop. With a high RPM powerband, their long block GM 496 big-block crate engine is primed for performance. It’s built to handle an aggressive throttle without backing down on durability. This makes it great for muscle car and restomod builds alike, all without overcomplicating installation.

Features and Benefits:
- High-strength, cast iron, standard-deck engine block with 4.310” bore
- Operates at 600 horsepower and 568 ft.-lbs. torque
- 10.1:1 compression ratio for stronger throttle response and crisp performance
- 4-bolt main offers stronger bottom end for high-HP applications
- 1-piece rear main seal ensures stronger, leak-free security
- Built-in BluePrint Engines Muscle Series cylinder heads made of aluminum
- Forged steel crankshaft with 4.250" stroke and 6.135" rods
- Connecting rods use OEM-type design and 150,000 PSI bolts
- Hypereutectic pistons for better strength and heat resistance
- Rotating assembly has 42.5-oz. external imbalance
- Hydraulic roller cam. for lower maintenance and better strength than flat tappet cam.
- Ignition timing: 10-16 degrees initial, 32-34 degrees total at 3500 RPM
- Includes mechanical fuel pump provision
- Backed by BluePrint Engines' 30-month/50,000-mile warranty

Also Includes:
- Valve covers
- Oil pan
- Dipstick
- Timing cover

Cylinder Head Specifications:
- 119cc chambers
- 2.30" intake / 1.88" exhaust valves
- 316cc intake / 124cc exhaust runners

Camshaft Specifications:
- .647” intake / .647” exhaust lift
- 248 degrees intake / 254 degrees exhaust duration
- @ .050-112 degrees lobe separation

Additional Notes:
- Not designed for EGR use.
- A bronze distributor gear is NOT recommended for use on this engine.
- The cylinder heads feature a .300" raised exhaust port vs OEM casting. Please verify header and exhaust clearance prior to installation.