set of brand new Brian crower valve springs BC0100 with ti retainers
retainers are about half the weight of a stock retainer
Spring Pressure: BC1100 Seat: 1.550" @ 84 lbs / Open: 1.000" @ 235 lbs / Coil Bind: 0.935" (no machine work required)
can be fitted with the heaf on if you know how...
