Brian Crower Valve Spring and Retainer Kit - Nissan SR20DET
$299.26
Designed for high rpm, BC valve springs are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances.
SPECS:
- BC1200 Seat: 1.550" @ 90 lbs
- Open: 1.025" @ 220 lbs
- Coil Bind: 0.910" (no machine work required)
Introductory pricing!
We recently did our own independent side by side spring rate test w/ the Ferrea Dual spring. Below are the results, and we were even more impressed than we initially thought. What you are looking at below is the rate of the spring in pounds @ different compression heights.
- Rate @ 1.550"
- Brian Crower = 80lbs
- Ferrea Dual = 90lbs
- Rate @ 1.339
- Brian Crower = 140lbs
- Ferrea Dual = 140lbs
- Rate @ 1.200
- Brian Crower = 175lbs
- Ferrea Dual = 175lbs
Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.