MAMBA D5-6 K04-4656 Bi-turbo Twin Turbo Upgrade CW/TW/Repair Kit
(CW 46/56, TW 44.5/50, Heavy Duty Repair Kit, 4xP.Ring, Forward + Reverse)
Compressor wheel & turbine wheel Balanced by Schenck already
CHRA (complete core) is recommend to be balanced again when you assemble them all.
Upgrade factory twin BorgWarner Forward + Reverse K03/K04 turbo with twin piston rings types of turbo to K04-064 size.
Fits: AUDI/Porsche: 2.9L TFSI (8W5RXA) Biturbo on RS4, RS5, Panamera S (4S)
1. Factory compressor housing might require porting job if your factory compressor wheel is smaller than this (46.4/56.1) compressor wheel.
2. Factory turbine housing might require porting job if your factory turbine wheel is smaller than this (44.5/50) turbine wheel.
3. This repair kit is just for factory K03/K04 turbo with two piston rings on compressor side and twin piston rings on turbine side. Not for elder type with single piston ring on each side.
4. Just for Bi-turbo with forward & reverse turbo.
6+6 2618 Performance Billet Wheel
Nose Dia.: 10.9mm
Inducer Dia.: 46.4mm
Exducer Dia. : 56.1mm
Extend Tapered Tip Exducer Dia.: 59.7mm
Tip Height: 4.7mm
Overall Height: 26.48 mm
Super Back Height: 2.6 mm
Bore: 4.61 mm
Blade : 6+6
Racing or Non-Racing: Racing
44.5/50/D5 (5+5) Blade/High Flow/Twin Piston Ring/Shaft Length 102mm
Material: Inconel 713C
Heavy Duty Repair Kit (3 x Oil holes, 8 x lubrication faces)
1 x Forward billet wheel
1 x Reverse billet wheel
1 x Forward turbine wheel
1 x Reverse turbine wheel
1 x Repair Kit with forward thrust bearing (N)
1 x Repair kit with reverse thrust bearing (R)
Everything shown on first picture is included