ISR OE Replacement O2 Sensor - FAT Nissan 240sx SR20DET 1989-1998 vendor_Fumoto 5-Ply Silicone Couplers - custom

5-Ply Silicone Couplers - custom molded and reinforced for demanding environments

Mitsubishi Evo X BlueMAX Fuel Injector Clinic Injector Set: 4 x 2150cc Saturated / High Impedance Injectors

Part #: KLC30

Compatible with stock and aftermarket shift knobs

ISR OE Replacement O2 Sensor - FAT Nissan 240sx SR20DET 1989-1998 vendor_Fumoto 5-Ply Silicone Couplers - customPart #: OE 22690 50F03 ISR Performance O2 sensor are a great replacement for the worn out ones that often comes with the used SR20DET motors. Its always best to replace it to improve your gas mileage. For S13 Black top Sr20det utilize the FAT type 3 wire plug O2 sensors, also S14 SR20DET's also use the Fat type Sensor. To be safe, please look at your O2 sensor to determine which type you have and order accordingly. ** All ISR Performance Products are