383 Long Block 450-500hp

sold out

383 Long Block 450-500hp

from 6,470.00

Horsepower levels are an estimate.

We prefer to custom build each engine to the specific needs of each customer and their vehicle which will cause the HP levels to vary. Please don't hesitate to ask if you have any special requests. We do all work in house and are happy to accommodate. 

  • Complete CNC machined and blueprinted 1 piece GM block
  • New steel crankshaft
  • New steel connecting rods
  • Clevite performance bearings
  • Forged pistons with moly rings (type depends on HP level)
  • Hand fit clearances 
  • Felpro gaskets
  • Double roller timing set
  • Melling oil pump
  • Computer balanced rotating assembly
  • Factory style roller camshaft (custom grind selected for your application)
  • New roller lifters
  • .080" wall 4130 chrome moly pushrods 
  • Aluminum gold anodized roller rocker arms
  • New oil pan w/ baffle 
  • Edelbrock or Professional Products aluminum intake (type depends on HP level)
  • Dart Pro 1 or RPC aluminum heads (type depends on HP level)
  • Stainless steel valves 
  • High performance springs
  • ARP Head bolts
  • Built to run on the fuel of your choice (87, 93, race fuel, etc)
  • ARP stainless steel bolts
  • Professionally sprayed ceramic engine paint (painted the color of your choice by Pete's Paint and Restoration) 
  • Includes valve covers of your choice (price may vary)

Engine shown with customer's accesories 

HP Level:
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