AEM’s X-Series Inline Wideband UEGO Air/Fuel Ratio Controllers Pistons That's why ARP® head studs

That's why ARP® head studs are popular among leading MINI racers

19" and so on

holding them to +/-

The 4 into 1 tubular design with tuned length primaries has been dyno proven by 1320 to provide unrestricted performance up to 270bhp at the wheels

1320 can also supply the Janspeed manifold at a additional cost of £48 with

AEM’s X-Series Inline Wideband UEGO Air/Fuel Ratio Controllers Pistons That's why ARP® head studsX Series Inline Wideband UGEO Controller features: X Series Inline Wideband UEGO AFR Controller were fastest responding wideband air fuel ratio controllers in an independent test vs. 17 competitors wideband AFR controllers Patented X Digital technology (Patent 9,575,030)Includes Bosch 4. 9LSU wideband UEGO sensor Factory calibrated resistor does not require free air calibration, but technology allows for free air calibration as sensor ages if user