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383 Chevy Stroker Extreme Performance Short Block



383 Stroker Short Block 450+HP Potential

(horse power based on type of camshaft, head, and intake combination you install)

  • Seasoned 4 bolt main block 1 pc rear main seal
  • Bored and honed with deck plate
  • Mains have been aline honed
  • Block has been decked
  • Dura Bond bearing installed
  • Brass freeze plug and oil galley kit installed
  • Block painted with 3 coats of high temp ceramic engine paint customers choice of color
  • New Eagle 4340 Forged Steel Crank Shaft 3.750 Stroke
  • New Eagle H-Beam Connecting Rods With ARP Bolts And Bushed Pins
  • SRP or Mahle Forged Pistons
  • Clevite H Series Rod And Main Bearing
  • Hastings Performance Rings Hand Filed To Match Application
  • The Complete Rotating Assembly Will Be Balanced


*Optional Upgrades

  Comp-Cam hydraulic flat tappet camshaft with 16 high rev (anti-pump up lifters) Add $295.00

  Comp-Cams hydraulic roller camshaft with Comp-Cams hydraulic roller lifters Add $675.00


  PBM Performance True Double Roller Timing Chain And Gears Set Add $35.00

  Cloyes Billet True Double Roller Timing Chain And Gear Set Add $135.00


Oil Pan Kit:
  • Melling HV Oil Pump
  • Melling Oil Pick Up Screen
  • Chrome Moly High Performance Oil Pump Shaft
  • Fel-Pro Oil Pan Set
  • Chrome 6qt Oil Pan with baffle

Add $115


Timing Cover Kit:
  • Pro-Form Chrome Timing Cover
  • Pro-Form Timing Tab For 8" Balancer
  • Front Crank Seal

Add $35.00



Whether your vehicle is a hot rod, street car, race car, or even a tow truck, here at Pro-formance Unlimited we are here to help design and build the combination that best suits your vehicles needs. Please browse our engine combinations listed below or custom design one of your own. Pro-formance Unlimited is best known for our precision custom designs. From that special built stroker engine to that turn-key drop in ready crate engines, call Doug or Steve we will be happy to answer any of your questions.

All engines are custom built to order for total customer satisfaction

All major credit cards accepted

Or Call Us At 1-800-267-3940



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