Prefix Gen V Viper Stage II Kit

  • Sale
  • Regular price $10,977.00


Stage 2 – Fixed Camshaft / Cylinder Head

Camshaft Specification:

  • Fixed Billet Camshaft Core – 5160 heat treated
  • Intake Lobe is 234 Duration and .617” valve lift
  • Exhaust lobe is 242 Duration and .617” valve lift
  • 115 LSA with a +1 degree advance

Cylinder Head:

  • Increased Intake Valve size 2.125”
  • Increased Throat size and port volume (297 cc / 105 cc)
  • Increased flow of about 20cfm @ .617” lift
  • Machined for new spring and seat

Spring:

  • Micro polished Dual spring
  • Allows up to .700” Lift
  • Higher spring load to control up to 8400 RPM
  • Requires custom spring seat and retainer

Lifters:

  • Low travel hydraulic ceramic ball lifters

 

Pushrods:

  • One piece chrome molly thick wall tapered end.

 

Calibration:

  • All of the same features as the ‘Stage I’ off road PCM
  • Elimination of the VVT system