GM Small Block Compatible 400 c.i. Power Adder Engine - 511 Horsepower - Long Block

Description: Horsepower & Torque: 511 Horsepower / 480 FT. LBS. Torque Compression Ratio: 9.5:1 Aluminum Heads Hydraulic Roller Cam Forged Steel Crank Forged Pistons Block: BluePrint Engines High Strength Cast Iron Block Manufactured and Machined in the USA! 4-Bolt Main 4.125" Bore 1-Piece Rear Main Seal Mech Fuel Pump Provision: Yes Passenger Side Dipstick Drilled and Tapped for Clutch Linkage Rotating Assembly: New BluePrint Forged Steel Crankshaft 3.750" Stroke 6.000" Forged Connecting Rods Forged Pistons Internal Front/ External Rear Engine Balance Dual Keyway Damper installed Cylinder Heads: BluePrint Aluminum Cylinder Heads - HP8103 64cc Chamber 2.08" Intake / 1.60" Exhaust Valves 220cc Intake / 67cc Exhaust Runners Cam Specs: Cam Type: Roller .555 Intake / .577 Exhaust Lift  236 Intake / 248 Exhaust Duration @.050-113 Degree Lobe Separation 1.6 Roller Rockers Ignition Timing: 10-16° Initial and Total Timing 32-34° at 3500 RPM Also Includes: Valve Covers Oil Pa