BorgWarner EFR-9274 Turbo - T4 TwinScroll without WG 1.45ar
Original EFR turbocharger
Twin Scroll, T4 flange, external wastegate, 1.45 A/R
Power range 600 - 1050PS
Compressor wheel Inlet 72mm, Outlet 91mm
Turbine wheel Outlet 74mm
Turbine Housing 1.45 A/R with T4 flange, Twin Scroll, external wastegate, V-Band downpipe connection
Article pictures are only example pictures.
BorgWarner EFR turbocharger Was developed and built with only one goal in mind: to dominate on the road, racetrack and 1/4 mile. BorgWarner EFR turbochargers feature the latest high-tech features, unbeatable performance ranges and highest quality.
EFR Turbos are available in different sizes and different turbine housings, the performance ranges range from 250-1000 HP per turbocharger. The combination of highly efficient compressor wheel, gamma titanium aluminideTurbine wheel , combined with ceramic ball bearing technology sets the benchmark for racing turbochargers to the very top and represents the highest level in racingturbocharger technology:
- Black anodized, forged and milled compressor wheel, extremely light and highest strength against high boost pressures, Extended Tip Technology
- Integrated diverter valve
- Integrated cycle valve
- 360 degree rotatable by means of V-Band technology
- Prepared mounting for speed sensor (optionally available) for measuring the speed of the compressor wheel. This allows the compressor efficiency to be determined.
- 2-fold ceramic ball bearing with metal cage
- Oil restrictor integrated
- Water cooled
- Stainless steel exhaust case
- Gamma titanium aluminide exhaust wheel and shaft, 50% lighter than a comparable InconelTurbine wheel And extremely heat resistant
- High-Flow Wastegate channel
- Integrated wastegate (also available for the Twinscroll exhaust sides.)