383ci Boosted LT1 Long Block Engine


The 383ci Boosted Long Block is great for a Supercharger or Turbo that makes up to 15 psi of boost and will be driven on the street.

Deposit Amount :


Peak Horsepower:  700bhp @ 6500rpm with around 14 psi of Boost
Peak Torque: 670lb/ft @ 4000rpm
Compression Ratio: 9.5:1
Operating Range: 2300 – 6500rpm
Required Fuel: 91+ Octane Pump Gasoline

Additional information

Weight 500 lbs
Dimensions 38 × 26 × 36 in