Universelle 90-Grad-O2-Distanzstücke mit Katalysatoren Keilriemen & Poly-Rib-Riemen 964 Porsche 993 C2 / C4

Porsche 993 C2 / C4 – Front only (not Widebody)

Porsche part numbers: 90154310220 / 90154310120

Polyurethane Powerflex or SuperPro also available

and water during braking

Porsche 912 (1965–1989)

Universelle 90-Grad-O2-Distanzstücke mit Katalysatoren Keilriemen & Poly-Rib-Riemen 964 Porsche 993 C2 / C4Universal 90 Degree O2 Spacers with Catalysts Fabspeed Universal 90 Degree O2 Spacers with Catalysts Product Details: Universal O2 Spacers with Catalysts scrub the exhaust and extend the distance between the O2 sensor(s) and the exhaust stream to reduce the likelihood of a CEL. We have taken our O2 Spacers one step further. The factory ECU compares the readings from two oxygen sensors to measure the effectiveness of the catalytic converters.