BBC 454-565ci Street or Marine Short Block

454-565ci Big Block Chevy Street or Marine Short Block


These short blocks are direct replacement street or marine grade totally reconditioned on a Centroid 4-Axis CNC machine to a blueprint perfect finish better than new short blocks. Acceptable to 500hp with no power adders and are pump gas friendly with brass or stainless steel freeze plugs for marine applications and NO CORE REQUIRED


Core block hot tanked and magna-flux • Align honed • CNC blueprint bored • CNC blueprint square decked 90° from crank and cam bar • Plate honed up to 4.310″ • Hot washed, brass freeze plugs and cam bearings installed • Assembled w/rotator listed below (4.310 bore x 4.000 stroke = 468ci) NOTE, Dead on 45° bores and deck surfaces can only be machined with a 4 axis crank and cam bar machine with a 4 axis biss to know where proper angles are off the cam and crank. Its impossible with a 3 axis machine and down right dirty with old boring bar technology.


AwesomeEngines® AR-4.000″ New Cast Steel Crank (454 balancer and flexplate or flywheel required) Externally Balanced on a CWT Multi-Bal 5000 Machine to .20 oz­ ­• AwesomeEngines® 6.135″ I Beam New 5140 Steel Rods • Up to 10.5:1 Compression Federal Mogul Pistons • Moly Rings • Clevite or King Main and Rod Bearings • Rear Main Seal Installed



3 Center 4 Bolt Main Caps Installed
+ $ 495.00
Steel Billet 3 Center 4 Bolt Main Caps Installed that brings HP Levels for stock block to 1000HP
+ $ 795.00
Dart M-IV 31243344 Marine or Pro Street Full Water Series new High Performance Block (1 piece ava)
+ $1595.00
AwesomeEngines® One Piece Brand New Splayed Cap 4 Bolt Main Race Block (up to 4.500″ bore)
+ $1595.00
New Scat 9000 Series Cast Steel 4.000″ Stroke Crank and Balance Job
+ $  95.00
New Scat 9000 Series Cast Steel 4.250″ Stroker 496ci Crank, Radial Clearance Block, Special Pistons and Balance Job
+ $ 295.00
New Pro Street 4340 Internally Balanced Steel 4.000/4.250″ Stroke Scat Crank and Scat New I Beam 7/16 Rods
New Pro Street 4340 Internally Balanced Steel 4.250″ Scat Crank and Rods, Radial Clearance Block and Forged Pistons
+ $1795.00
Mahle 4032 or Pro True 2618 Forged Racing Pistons w/Total Seal Hi-Performance Ring Set (for bore and stroke desired or required)
+ $ 595.00
Scat 6.135 or up to 6.385″ I-Beam Rods w/ARP Bolts for Rotator Listed
+ $ 195.00
Scat 6.135 or up to 6.385″ H-Beam 4340 Rods w/ARP Bolts for Rotator Listed
+ $ 295.00
565ci 4.600″ Bore Pro Series Version Forged 4340 Crank and Rods and Wiseco Pistons with brand new Dart Big M or Merlin III Race Block
+ $2095.00
Cam Shaft Kit Installed
+ $ 395.00
Deluxe Short Block Kit Installed
+ $ 795.00

Cam Shaft Kit Installed

  1. Comp Cams Up To .550″ Lift Hydraulic or Solid Flat Tappet Camshaft (or your choice!)
  2. Install Camshaft, Degree to Proper Specifications Required for Application
  3. With a LPC Heavy Duty True Double Roller Timing Set
  4. 16-Hydraulic  or Solid Flat Tappet Lifters
  5. Camshaft Fastener Kit Installed

Deluxe Short Block Kit Installed

  1. Above Cam Shaft Kit Installed Properly (hyd or solid roller add $695)
  2. Solid Polished Aluminum Timing Cover Kit Installed
  3. AwesomeEngines® Billet Timing Pointer TDC’d
  4. 6¼” Steel Light Weight Damper TDC Verified
  5. M77HP Oil Pump Kit & Proper Pick Up
  6. Moroso 6qt. Pro Street Oil Pan
  7. All Gaskets to Finish

Internally Balanced Short Blocks Come with Blue Print, Balance Sheet, Product Information, Stickers and Contingency Information

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