Blueprint Crate Engines Small Block Chevy 400ci / 501HP / 470TQ

Block:

• New Blueprint Engine Block
• 4.125'' Bore
• Nodular Iron Splayed 4-Bolt Main Caps
• 1-Piece Rear Main Seal
  
  Rotating Assembly:
• 3.75'' Stroke Forged Crankshaft
• Forged Pistons 9.5:1 Compression Ratio
• Internal Front / External Rear Engine Balance
• 8'' Non-Weighted Harmonic Balancer Recommended (Not Included)
• Late 350 Weighted Flexplate/Flywheel Recommended (Not Included)
  
  Cylinder Heads:
• Blueprint Aluminum Cylinder Heads p/n 138-HP8103
• 220cc Intake Ports
• 67cc Exhaust Ports
• 64cc Combustion Chambers
• 2.08'' Intake Valves
• 1.60'' Exhaust Valves
• 5/16'' Pushrod Guideplates
• 7/16'' Rocker Studs
• Straight Spark Plug Configuration
  
  Camshaft Specs:
• Hydraulic Roller
• Duration @ .050'' Lift: 236° Intake / 248° Exhaust
• Lift: .555'' Intake / .577'' Exhaust
• Lobe Separation: 113°
  
  Other Features:
• Chrome Valve Covers
• Chrome Timing Cover
• Oil Pan
• Brass Freeze Plugs