Retrofit Engines

Blueprint Pro Series GM LS 427ci 605/625HP


LS 427ci Dress Retrofit FI Engine
  • Fuel Injected
  • 625 HP, 565 TQ
  • $11,499.00
    Ships in 24hrs

    Blueprint Pro Series GM LS 427ci 605/625HP


    LS 427ci Dress Retrofit Engine
  • Carbureted
  • 605 HP, 545 TQ
  • $9,999.00
    Ships in 24hrs

    Upgrade Engine

    Blueprint Pro Series GM LS 427ci 605/625HP


    LS 427ci Base Upgrade FI Engine
  • Upgrade for 1998-2010 Gen 3/Gen 4 Engines
  • 625 HP, 565 TQ
  • $8,999.00
    Ships in 24hrs

    Assembled Short Block

    $4,999.00
    Ships 08/03/16