Gen IV Viper Stage II Performance Package

  • Sale
  • Regular price $12,978.00


  • Custom Calibration for VENOM controller)
  • Revised fuel, spark and throttle maps
  • Agressive idle quality and exhaust note
  • Requires Premium fuel.
  • Rev limit increased to 6700 rpm
  • Final drive ratios from 3.07:1 to 4.10:1.
  • First to fourth gear skip shift eliminated
  • Catalyst monitor disabled
  • Air flow rationality disabled
  • Fixed Cam with Increased Lift & Duration
  • Increased Intake Valve Size 2.125”
  • Performance Dual Valve Springs
  • Performance Lifters
  • Performance Pushrods
  • Increased Performance Cylinder Heads
  • H-Beam Forged Connecting Rods
  • Forged MAHLE Pistons w/ valve pockets
  • Requires high flow exhaust system (not included in package)
  • Price is for the package only, Please call for pricing on engine build and R&R Cost.