Plug and play application. Short duration for nice street manners, slight lope at idle. OEM spring OK. Recommend BC0200 spring/retainer kit for possible coil bind issues with OEM spring. Fits S13 (non-VTC) and S14/15 (VTC) cylinder heads.
Adv Dur 264°/264°
Dur @ .050 216°/216°
Valve Lift (1.57:1) .475″/.475″
Valve Lift (mm) 12.06/12.06