Crate Engine, BluePrint 502CI ProSeries, Base Dressed Long Block

502ci Pro Series Base-Dressed Crate Engine by BluePrint Engines®

627-hp / 569 lb-ft core uses forged 4.00-inch crank and forged pistons by BluePrint Engines®.

BluePrint Engines®' 502ci Pro Series Base-Dressed is rated at 627 hp and 569 lb-ft with 10.1:1 compression. It combines forged 4.00-inch-stroke crankshaft, forged pistons, 119cc aluminum heads with raised exhaust ports and hydraulic-roller camshaft (.647/.647 lift; 248/254° @ .050). Base-dressed variants add induction to the 627-hp core; carbureted/EFI details vary by the selected configuration.

Additional Technical Specifications • HP & Torque: 621 HP / 560 FT LBS • Compression Ratio: 10.0:1 • Hydraulic Roller Cam Block: • NEW BluePrint Cast Iron Block • Manufactured and Machined in the USA! • 4-Bolt Main • 4.466" Bore • 1-Piece Rear Main Seal • Mech fuel pump provision: Yes • Standard Deck Rotating Assembly: • 4.000" Stroke • Forged H-beam 6.135" connecting rods • Internal Cylinder Heads: • BluePrint Aluminum Cylinder Heads • 119cc chamber • 2.30" intake/1.88" exhaust valves • 316cc intake/124cc exhaust runners • Cylinder heads feature a .300 in. raised exhaust port vs an OEM casting. • Must verify header/exhaust clearance Cam Specs: • Cam Type: Roller • .647 Intake .647 Exhaust • 248 Intake / 254 Exhaust duration • @ .050 - 112-degree lobe separation Also Includes: • Valve covers • Oil pan and timing cover • Harmonic balancer • Plugs and Wires • Holley Sniper EFI System or Holley Carburetor • Pro Billet Distributor Notes: • Not for use in pollution-controlled vehicles • Cylinder heads feature a .300 in. raised exhaust port vs an OEM casting