Camshaft Comp Cam Racing 280S L16 L18 L20B 510Comp Cams 280S camshaft for Datsun 4 cylinder L16, L18 and L20B engines. Good street race cam. Upgrade over stock. This cam does have oiling holes on each cam lobe. No oil spray bar required, **Plug required. New cams require the use of break in oil and or oil with ZDDP, see 800 931X or 800 1770. Exhaust Duration @ . 050 in.: 236 RPM Range: 2000 9000 Intake Duration: 280 Diameter (in.): 0. 375 Exhaust Duration: 280 Intake Valve Lift(in): 0. 460