377ci SBC Street or Marine Short Block

377ci SBC Street or Marine Short Block


These short blocks are brand new street, pro street, drag race or marine ready. Machined on a Centroid 4-Axis CNC machining center to blueprint perfect specifications. Acceptable 700hp with power adders and are pump gas friendly with stainless steel freeze plugs for marine applications and NO CORE REQUIRED


Brand New GM 10066034 Block Align honed • CNC blueprint bored • CNC blueprint square decked 90° from crank and cam bar • Plate honed up to 4.000/4.030″ • Hot washed, brass freeze plugs and cam bearings installed • Assembled with rotator below (4.000 bore x 3.75 stroke = 377ci) 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 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 shops still using those old stack machines that made everything worst from machine to machine.


AwesomeEngines® 3.750″ New 4340 Steel Crank , Internally Balanced on a CWT Multi-Bal 5000 Machine to .30 oz” ­ ­• AwesomeEngines® 5.700″ H or I Beam New Full Floating Steel Rods • From 8:1 to 11:1 Compression Mahle, JE Wiseco Forged Pistons • Moly Rings • Clevite or King H Main and Rod Bearings • Rear Main Seal



383ci SBC Bigger Bore 4.030″ Option
+ $ 175.00
Brand New Steel Billet Splayed Cap 1200 Hp Race Block
+ $ 775.00
427ci Stroker Kit with 4.0″ 4340 Steel Crank, Forged 4.125″ Bore Pistons, H Beam Rods and 7/16 Big Rod Bolt Kit Option and Race Block
+ $ 975.00
Comp Cams Hydraulic Flat Tappet Camshaft and Lifter Kit Below
+ $ 375.00
Hydraulic or Solid Roller Camshaft and Lifter Version
+ $ 975.00
Deluxe Hydraulic Flat Tappet Camshaft and Lifter Complete Short Block Kit Below
+ $ 775.00
Deluxe Hydraulic or Solid Roller Camshaft  and Roller Lifter Complete Short Block Kit Upgrade
+ $1475.00
Fel Pro MLS Stainless Steel Marine Head Gaskets
+ $ 175.00
Head Bolt or Stud Kit Used For Plate Honing the Block (from)
+ $ 75.00
Brand new Internal Flex-plate and Damper for 377 or 383ci Stroker Kit
+ $ 175.00
SFI Rated Brand new Internal Flex-plate and Damper for 377/383/400/414/427ci Stroker Kit
+ $ 275.00
Dart 165cc SS Brand New Cylinder Heads Properly Installed with Rockers and Push Rods for Complete Long Block
+ $ 1275.00

Cam Shaft Kit

  1. Comp Cams Up To .480″ Lift Hyd Camshaft (or your choice!)
  2. Heavy Duty True Double Roller Timing Set
  3. Camshaft Fastener Kit Buttoned Up
  4. 16-Hyd Flat Tappet Lifters
  5. Degree Camshaft

Deluxe Short Block Kit

  1. Above Hyd. Cam Shaft Kit Installed Properly (or your choice!)
  2. Solid Polished Aluminum Timing Cover Kit Installed
  3. AwesomeEngines® TDC Adjustable Timing Pointer
  4. Brand New Internal Bal Damper TDC Verified
  5. M55HP Oil Pump Kit & Proper Pick Up
  6. Moroso 6 Quart Oil Pan Installed
  7. All Gaskets to Finish

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

Comments are closed.