BluePrint Engines BP49611CT - 496 CID GM Big Block Compatible Longblock - 561HP

Horsepower 561HP Torque 512FT/LBS Compression Ratio 8.8 to 1 Block New BluePrint block,4 bolt main, 1 piece rear main seal, Standard Deck Pistons Forged Rotating Assembly Forged Steel Crank - 4.250 in. Stroke and Forged 6.135 in. Rods Heads BluePrint Engines Aluminum Cylinder Heads Camshaft Specs Hyd Roller, .540 Int / .560 Exh and 242 Int / 248 Exh dur @.050 - 114 LSA Big Block Compatible Longblock Crate Engine SKU: BP49611CT This American-made BluePrint Engines 454 BBC crate engine delivers 460 horsepower and 479 ft-lbs of torque, a potent combination for exhilarating performance. Built on a robust cast iron block with a 4.250" bore and 4-bolt main caps, this engine features a potent combination of strength and reliability. The rotating assembly utilizes premium components like OEM-type 6.135" connecting rods and hypereutectic pistons, ensuring optimal performance and durability. 1 The included black front accessory drive enhances the engine's aggressive aesthetic while simplifying installation.