Blueprint Pro Series Small Block Chevy Crate Engine 454 ci / 563 HP / 545 FT.-LBS.

Recommended Stall Converter: 2200+ rpm
Recommended Fuel: 91 Octane

Engine Block:

• New Blueprint Engine Block
• 4.250 in. Bore
• Nodular Iron Splayed 4-Bolt Main Caps
• 2-Piece Rear Main Seal
  
  Rotating Assembly:
• 4.00'' Stroke Forged Crankshaft
• 6.00'' Forged Connecting Rods
• Forged Pistons 10.0:1 Compression Ratio
• Internal Engine Balance
• Non-Weighted Harmonic Balancer Included
• Non-Weighted Flexplate/Flywheel Recommended (Not Included)
  
  Cylinder Heads:
• Blueprint Aluminum Cylinder Heads p/n 138-HP8103
• 220 cc Intake Ports
• 67 cc Exhaust Ports
• 64 cc Combustion Chambers
• 2.08 in. Intake Valves
• 1.60 in. Exhaust Valves
• 5/16 in. Pushrod Guideplates
• 7/16 in. Rocker Studs
• Straight Spark Plug Configuration
  
  Camshaft Specs:
• Hydraulic Roller
• Duration @ .050 in. Lift: 251 Degrees Intake / 259 Degrees Exhaust
• Lift: .638 in. Intake / .622 in. Exhaust
• Lobe Separation: 114 Degrees 
  
  Other Features:
• Chrome Valve Covers
• Chrome Timing Cover
• Oil Pan
• Brass Freeze Plugs
  
  Dress Engine Includes:
• Edelbrock Single Plane Intake Manifold
• Holley 850 cfm Carburetor
• HEI Distributor w/Coil 

JEGS Easy Kits are designed by JEGS high-performance racing professionals to help you get all the performance parts you need for your race car, hot rod or truck.