Performance SBC383EXTEFI Small Block Chevy 383 ci. Extreme 470 HP Engine:

• Block:
  • 4 in. Bore
  • Heavy-Duty 4-Bolt Mains
  • 9.025 in. Deck Height
  • 1-Piece Rear Main Seal
  • Machined for OE Hydraulic Roller
• Crankshaft:
  • 4340 Forged Steel
  • 3.800 in. Stroke
  • Internal Front/External Rear Balance
• Connecting Rods:
  • 5140 Forged Steel I-Beam
  • 5.700 in. Length
  • 3/8 in. Bolts
  • Floating Wrist Pins
  • 12pt 3/8 in. SP8740 Fasteners
• Pistons:
  • Custom Hypereutectic Aluminum
  • 13.5 cc Dish
  • Coated Skirts
• Rings:
  • Plasma-Moly Top
  • Ductile Iron 2nd
  • Standard Tension Oil
  • 5/64 in., 5/64 in., 3/16 in.
• Bearings:
  • King Bi-Metal
• Cylinder Heads:
  • 9.8:1 Compression Ratio
  • 180 cc Intake Runners
  • 65 cc Combustion Chambers
  • 2.02 in. Intake / 1.60 in. Exhaust Valves
  • Hydraulic Roller Valve Springs
• Camshaft:
  • Hydraulic Roller
  • 231 in. Intake / 236 in. Exhaust Duration @ .050 in.
  • .510 in. Intake / .521 in. Exhaust Lift
  • 111 LSA (Lobe Separation Angle)
• Lifters:
  • Hydraulic Roller, OE Roller Design
• Cam Bearings:
  • Dura-Bond, Installed
• Rocker Arms:
  • 1.5 Ratio
  • Aluminum Body
  • Full Roller
• 3/8 in. Rocker Arm Studs
• Hardened Guide Plates
• Pushrods:
  • 7.200 in. Length
  • 5/16 in. Diameter
• True Roller Timing Set, OE Roller Design
• 8 in. Harmonic Balancer
• Melling M55 Standard Volume Oil Pump
• Black Steel Timing Cover
• Black 6 qt. Steel Oil Pan
• Edelbrock Pro-Flo 4 Single Plane Intake Manifold
• Black Cast Aluminum Valve Covers
• Edelbrock Pro-Flo 4 EFI System
• Edelbrock Pro-Flo 4 Electronic Distributor
• 8 mm High Energy Spark Plug Wires w/ Looms
• Brass Freeze Plugs - Installed
• Oil Plugs
• Dowel Pins - Installed

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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