SBC 383ci Street or Marine Short Block

SBC 383ci Street or Marine Short Block


This is a direct replacement street or marine grade short block. 100% CNC machined on a Centroid 4-Axis Block CNC machining center to blueprint perfection better than when it was made. Acceptable to 400hp. No power adders, pump gas compatible, brass or stainless steel freeze plugs for marine applications. NO CORE REQUIRED


Core block hot tanked • Align honed • CNC blueprint bored • CNC blueprint square decked 90° from crank and cam bar • Plate honed up to 4.185 -.060″ over• Hot washed, brass freeze plugs and cam bearings installed • Assembled with rotator listed below (4.030 x 4.030 bore x 3.75 stroke x 8 x .7854 = 383ci) NOTE, Dead on 45° bores and deck surfaces can only be machined with a 4 axis CNC machine with probing to know where the exact proper angles are off the cam and crank.


Eagle or Scat 9000 series 3.750″ Cast Crank externally balanced on a CWT Multi-Bal 5000 Machine to .50 oz (weight on the dampener and flex-plate or flywheel required ­• 5.700″ I Beam New 5140 Steel Rods • Up to 10:1 Compression with Flat top Speed Pro Cast Pistons • Moly Rings • Clevite or King Main and Rod Bearings • Rear Main Seal


DART 350 or 400 Main SHP Special High Performance 4.125″ Bore Race Block
+ $1475.00
Internally Balanced 3.75″ Crankshaft, No Weight on the Dampener or Flexplate, Same as a 327 or 350 ci
+ $ 175.00
Internally Balanced 4340 Steel 3.750″ Crank, 5.7″ I-Beam Rods, JE SRP, WISECO PRO TRUE, Mahle Forged Flat Top or Dish Pistons, 1/16 1/16 3/16 Ring set
+ $1475.00
JE SRP or WISECO PRO TRUE Forged Flat Top or Dish Pistons 1/16 1/163/16 Racing Ring Set
+ $ 475.00
ARP Main Stud Kit
+ $ 95.00
COMPETITION CAMS or ERSON Hydraulic .501″ Lift Flat Tappet Cam Shaft and Lifters
+ $ 475.00
COMPETITION CAMS or ERSON Hydraulic Roller Cam Shaft and Lifters
+ $ 975.00
Deluxe Short Block Kit Installed
+ $695.00

Cam Shaft Kit

  1. COMPETITION CAMS Hydraulic Flat Tappet Cam Shaft up to .501″ Lift
  2. Hydraulic Flat Tappet Lifters
  3. Double Roller Timing Set
  4. Camshaft Fastener Kit
  5. Degree Camshaft

Deluxe Short Block Kit

  1. Aluminum Timing Cover with TDC Billet Point Installed
  2. Melling M55HP Oil Pump Kit and Proper Pick Up Tube
  3. Moroso 7 Quart Correct Oil Pan Kit Installed
  4. New Harmonic Dampener TDC Verified
  5. All Gaskets to Finish
    Short Blocks Come with Blue Print, Balance Sheet, Product Information, Stickers and Contingency Information

    Free Freight up to $200 applies to this item shipped to a commercial address or the closest UPS terminal for your zip code for pickup in the 48 States. Any charges over $200 is your responsibility and you will be notified before purchase

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