BigBoost Stage 4 Turbo Kit || B58

BigBoost’s stage 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  
• Aviation-grade stainless steel oil feed lines
• Oil feed and return fittings for turbo
• Oil feed fittings for engine
• Oil drain adapter
• Turbo to Throttle Body charge pipe
• Aluminum 4″ inlet pipe
• Silicone couplers
• Hose clamps
• Turbo coolant inlet and outlet fittings
• Engraved Heat Shield
• VPE V Band Clamp
• Exhaust Manifold Gasket
• OEM O-ring 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!***

***YOU NEED TO ORDER A BOOST CONTROLLER***