383ci LT1 Boosted Competition Short Block Engine

$4,999

The 383 Boosted Competition Short Block is a good foundation for performance engines builds up to 750hp running up to 15 psi of boost.

Product total
Options total
Grand total

Block: 

  • GM LT1 Cast Iron Block
  • Deck to Match Pistons
  • Bored 4.030”
  • Honed with Torque Plates and Pressure Washed
  • New Durabond Cam Bearings Installed
  • Billet 4-Bolt Main Caps Installed, Line Hone
  • ARP Main Studs

Pistons: 

  • Mahle Forged Boosted Pistons

Bearings: 

  • Clevite H-Series Main and Rod Bearings

Crank: 

  • Scat 4340 Forged Steel
  • 3.750” stroke

Rods: 

  • Scat 4340 Forged H-Beam
  • 5.700” length
  • ARP Rod Bolts

Rings:

  • Mahle plasma moly Main and Rod Bearings

Additional information

Weight 350 lbs
Dimensions 38 × 26 × 27 in