Brian Crower springs and Titanium retainers are a common upgrade for the Nissan 350Z when adding cams and wanting to increase rev limit. Recommended upgrade with BC Stage 2 and Stage 3 cams.
Spring Pressure: BC1220 Seat: 1.425" @ 80 lbs / Open: 0.990" @ 192 lbs / Coil Bind: 0.900" (no machine work required)
Fitment: Nissan VQ35DE and VQ35HR
Spring Pressure: BC1220 Seat: 1.425" @ 80 lbs / Open: 0.990" @ 192 lbs / Coil Bind: 0.900" (no machine work required)
Fitment: Nissan VQ35DE and VQ35HR
