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BluePrint 383 Small Block Chevy Crate Engine

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Specs
Rear Main Seal Style:
1-piece
Camshaft Type:
Hydraulic Flat Tappet
Piston Material:
Hypereutectic Aluminum
Crankshaft Material:
Cast Steel
Cylinder Head Material:
Aluminum
Crate Engine Type:
Deluxe Crate Engine
Warranty:
30 month/50,000 mile
Maximum RPM:
5200
Torque:
450
Horsepower:
420
Engine Displacement:
383
Notes
NGK# R5672A-9 or Autolite# AR51
BluePrint 383 Small Block Chevy Crate Engine

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Details

Reviews (7)

Q & A (111)

What's in the Box

Info

This 383 Chevy "Stroker" motor is a Speedway Exclusive! Machined and assembled at BluePrint Engines, each Small Block Chevy engine is dyno tested (includes individual dyno sheet) and comes with a 30 month/50,000 mile warranty. Each crate engine is built to crank out 420 hp @ 5200 rpm and 450 ft.-lbs. @ 4300 rpm.

Dyno Sheet (PDF)  (Note: This sheet represents one example engine. Your individual engine may differ slightly.) 

  • 420 hp @ 5200 rpm
  • 450 ft.-lbs. @ 4300 rpm
  • 4-bolt main, 1-piece rear main seal seasoned block 
  • Passenger side dipstick
  • Chrome valve covers and timing cover
  • New plain steel oil pan
  • New cast steel crankshaft
  • Rotating assembly balanced to within 2 grams
  • Harmonic balancer
  • 153 tooth flexplate w/ single 3-bolt converter pattern 10-3/4" bolt circle
  • Hypereutectic pistons
  • 10:1 compression
  • Hydraulic flat tappet cam
  • Heavy duty double roller timing set
  • Performance aluminum cylinder heads
  • Hardened retainers and performance valve springs
  • Aluminum dual plane intake
  • New HEI distributor
  • 2500 stall converter recommended

Crate Engine Installation Guide

Truck Freight Shipping Charges Apply - click here for details.

Specs

Camshaft Information:

  • Hydraulic flat tappet 
  • .488" Intake lift
  • .486" Exhaust lift
  • 229° Intake duration @ .050"
  • 230° Exhaust duration @ .050"
  • 110° lobe seperation
  • Intake Valves- 2.02"
  • Exhaust Valves- 1.60"
  • Runners- 1.95"
  • Heads are a straight plug configuration

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