383CI /450HP GTO/MAS Small Block

The most versatile engine at a great competitive price.  It all starts with a 383 cubic inch block and the Edelbrock E-Tec cylinder heads, offering an incredible 480 ft/lbs of torque @ 4400 RPM with a smooth linear delivery. The combination of a 4.000″ bore and 3.750″ stroke steel crank and hydraulic camshaft produces 462 HP @ 5500 RPM.


  •     Horsepower: 450 @ 5200 RPM
  •     Torque: 480 ft/lbs @ 4400 RPM
  •     Compression Ratio: 10:1
  •     Block: Cast Iron 4-Bolt Main with 1-piece rear main seal
  •     Crankshaft: Forged 4340 Steel (externally balanced)
  •     Connecting Rods: 5.7 I Beam with ARP Bolts
  •     Pistons: Forged Aluminum
  •     Camshaft: Hydraulic
  •     Rockers: 1.5:1
  •     Cylinder Heads: Aluminum Edelbrock E-Tec 62cc chamber
  •     Intake:  Edelbrock RPM Airgap
  •     Carburetor:  QuickFuel 750cfm Mechanical Secondary
  •     Ignition:  HEI

Additional Parts Included:

  •     8″ balancer
  •     5-quart oil pan with windage tray
  •     Aluminum valve covers with oil cap (provisions for PCV breather)
  •     Painted Steel front timing cover
  •     Engine oil dipstick and tube (passenger side)
  •     Brass freeze plugs
  •     Spark Plugs

Price:  $CALL

All engines are computer balanced, blue printed, and dynoed before shipping.  Engines also come with build documentation and 2 year warranty.