408ci Mopar Street Short Block

408ci SB Mopar Street Short Block


4.030-4.060″ Bore | 4.000″ Stroke | 6.123″ Rods |


  • 360 CNC Race Prepped 2 Bolt Main Reconditioned Block
  • 12 Point Head Stud or Bolt Kit Plate Honed with Block (either)
  • Brass or Stainless Steel Freeze Plug Kit Installed
  • Scat Internally Balanced Cast Steel Crank
  • Scat I-Beam Rods and ARP Bolts
  • Cam, Main and Rod Bearings
  • KB Hyperuetectic 390 Alloy Severe Duty Pistons
  • Plasma Moly Rings
  • Rear Main Seal is Installed
  • CNC Race Prepped to Perfection in .027 to .057 Bore Sizes
  • The Block is Plate Honed  to a .030 to .060 Finished Bore Sizes
  • Main Oil Galley and all Plugs are Replaced with New
  • We Install New Cam Bearings, Main Bearings and Rod Bearings
  • Brass or Stainless Steel Freeze Plugs are Installed for Life Time Service
  • We Register the Rod Bolt Stretch, Re-Stretch to the Rod Bolt Specifications
  • Touch up any Rods not Perfect, Balance Big and Small Ends to Perfection
  • We Externally Balanced the Complete Assembly to .5 oz in Specification
  • Assemble the Complete Short Block, Stretch Rod Bolts to Specifications

Available Upgrades

ARP Main Studs Installed
+ $  149.00
K1 4340 Internally Balanced Forged Steel Crank
+ $ 595.00
K1 H Beam Steel Rods with ARP 2000 Bolts
+ $ 395.00
JE/Wiseco Forged Racing Pistons
+ $ 399.00
ARP 2000 7/16 Rod Bolts for I Beam Rods Used
+ $ 195.00
Hydraulic Cam, Lifter and Timing Set Installed
+ $ 395.00
Hydraulic Roller Cam, Lifter and Billet Roller Timing Set with Torrington Bearing Kit Installed and Degree Camshaft to Specifications
+ $ 895.00

This Short Block Kit is for a Street Car, Truck, Drag or Marine Application

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