BigBoost’s stage 3-4 turbo for the B58 Gen 1 and 6 Port TU engine!
What’s included?
BorgWarner EFR 8374, 8474, 9174 or 9280
Cast twin-scroll manifold 40% larger than stock runners and area with external wastegate port.
Aviation grade stainless steel oil feed lines
Oil feed and return fittings for turbo
Oil feed fittings for engine
Oil drain adapter
Lower Boost Pipe
Aluminum 4″ inlet pipe
Silicone couplers
Smart Seal Stainless Steel Hose clamps
Turbo coolant inlet and outlet banjo fittings
Engraved Heat Shield
VPE V Band Clamp
Exhaust Manifold Gasket
OEM O-ring kit
Aeroquip Coolant Hose Kit
EWG Mounting Bracket
EWG Linkage Kit
EFR 8374 to 650 WHP 8474 and 9174 up to 750 WHP, 9280 up to 900-1000 WHP