427ci L8T LT1-LT4 Boosted Short Block Engine (NEW)

416ci LT1-LT4 Boosted Short Block Engine

$7,999

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The LT1/LT4 416ci competition short block uses a new GM LT1/LT4 block with 4.070″ bore to produce the 416CI.  This short block provides a strong foundation for Boosted engines making up to 1000hp and can be customized to meet your needs.

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Block: 

  • New GM L8T Cast Iron Block Honed with Torque Plates
  • Bore Size 4.125″
  • Zero Decked
  • Line Honed with ARP Main Studs
  • Blueprinted Oil Clearances
  • All New GM Block Plugs Installed
  • New Durabond Cam Bearings Installed

Pistons: 

  • Wiseco 2618 Forged Boost Ready Pistons with Armor Glide skirt coating

Rings:

  • Wiseco GFX Stainless Steel

Bearings: 

  • King H-Series Main and Rod Bearings

Crank: 

  • Callies Comp Star 8 Counterweight 4340 Forged Steel
  • Stroke 4.000”
  • Wet Sump  (Dry Sump Options Available)
  • Internally Balanced Front and Rear

Rods: 

  • Callies Comp Star 4340 Forged Steel H-Beam
  • 6.125” Length
  • ARP 2000 Rod Bolts