BluePrint PS502 GM Big Block Compatible performance short block engine have been dyno tested at our factory with a Holley Classic 850cfm Carburetor and HP8013 Cylinder heads and produced 627 horsepower and 569 minimum torque. Not every PS502 is Dyno tested. This performance shows the capabilities of this engine. Performance may vary depending upon what cylinder heads, fuel system and intake manifold you choose. This is a fully customizable engine.

Description:

• Compression Ratio: 10.5:1 with 118cc heads and .039'' crushed gasket
  
• BluePrint Engines Hydraulic Roller Cam
• BluePrint Engines Forged Crank
• BluePrint Engines Forged Pistons
  

Block:

• BluePrint High Strength Cast Iron Block
• Manufactured and Machined in the USA!
• Mech Fuel Pump Provision: Yes
• 1-Piece Rear Main Seal
• Standard Deck
• 4-Bolt Main
• 4.466" Bore
  

Rotating Assembly:

• BluePrint Forged Crankshaft
• 4.000" Stroke
• Forged H-beam 6.385" Connecting Rods
• Forged Pistons
• Internally Balanced Front and Rear