Home / Products / BluePrint Engines PS502CT - 502 CID GM Big Block Compatible Longblock - 621HP

BluePrint Engines PS502CT - 502 CID GM Big Block Compatible Longblock - 621HP

BluePrint Engines PS502CT - 502 CID GM Big Block Compatible Longblock - 621HP
InStock
$11,099.00

Horsepower 621HP Torque 560FT/LBS Compression Ratio 10.0 to 1 Block New BluePrint block,4 bolt main, 1 piece rear main seal, Standard Deck Pistons Forged Rotating Assembly Forged Steel Crank - 4.000 in. Stroke and Forged 6.135 in. Rods Heads BluePrint Engines Aluminum Cylinder Heads Camshaft Specs Hyd Roller - .647 Int .647 Exh lift, 248 Int 254 Exh dur @ .050, 112 degree lobe sep. BluePrint 502 CID GM Big Block Crate Engine SKU: PS502CT Build your dream machine with this BluePrint Engines crate engine, dyno-tested to produce 621 HP and 560 lb-ft of torque. This performance-built engine features a robust cast iron block, forged crankshaft, forged pistons, and aluminum heads. This long block configuration includes valve covers, an oil pan, and a timing cover, providing a solid foundation for your project. Ideal for privateer builders, grassroots garages, and independent shops working on non-pollution controlled vehicles.