B58 Stage 4 turbo Kit

  • Sale
  • Regular price $3,650.00


BigBoost’s stage 3-4 turbo for the B58 Gen 1 and 6 Port TU engine!

What’s included?

  • BigBoost MPR 65mm turbocharger (Optional Dual Ceramic Ball Bearing CHRA) (Optional Garrett GEN2 GTX3582R)
  • Cast twin-scroll manifold 40% larger than stock runners and area with external wastegate port.
  • Turbosmart 38mm Wastegate with open dump tube 
  • Aviation grade stainless steel oil feed lines
  • Oil feed and return fittings for turbo
  • Oil feed fittings for engine
  • Oil drain adapter
  • Cat-less 304 Stainless Steel V-band downpipe
  • Turbo to Throttle Body charge pipe
  • Aluminum 4″ inlet pipe
  • Silicone couplers
  • Hose clamps
  • Turbo coolant inlet and outlet fittings
  • 6 Adjustable Maps Electronic Boost Controller with AFR Safety 
  • 3 Port MAC Solenoid 
  • Vacuum Lines 
  • Wiring harness for Electronic Boost Controller 
  • Dump Tube 
  • Engraved Heat Shield
  • VPE V Band Clamp
  • Exhaust Manifold Gasket
  • OEM O-ring kit
  • Low Load PCV Delete Kit
  • Aeroquip Coolant Hose Kit

Stage 4 (65mm) (820 WHP) (Optional Garrett GTX3582R 6662 turbo)

IMPORTANT NOTE!!!

***The Stage 4 Turbo Kit will require custom tuning via a known platform MHD or BM3 where your tuner will need to disable your factory Electronic Wastegate!***


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