GTiR Oil Pump Conversion Kit S13, 180sx, S14, S15 Upgrade SR20 SR20DET Silvia April 3, 2020 admin gtir 180sx, conversion, gtir, pump, silvia, sr20, sr20det, upgrade GTiR Oil Pump Conversion Kit “S13, 180sx, S14, S15″. Looking to upgrade the oil pump on your SR20? The GTiR pump is the […]