Brian Crower F20C / F22C VALVE SPRING & RETAINER KITS

Kits

Designed for high rpm, BC valve springs by PAC Racing 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. Use steel retainer for high mileage applications

KITS:

BC0040 -Seat Pressure: 84lbs @ 40.13mm, Open pressure: 250lbs @ 27.94mm, Coil Bind: 26.16mm, Max Lift: 13.97mm, Steel

  1. Dual Spring: BC1040
  2. Retainer: BC2010
  3. Seat: BC2904

BC0040S - Seat Pressure: 84lbs @ 40.13mm, Open pressure: 250lbs @ 27.94mm, Coil Bind: 26.16mm, Max Lift: 13.97mm, Titanium

  1. Dual Spring: BC1040
  2. Retainer: BC2011
  3. Seat: BC2904

 BC0040T - Seat Pressure: 92lbs @ 40.39mm, Open pressure: 270lbs @ 27.94mm, Coil Bind: 22.10mm, Max Lift: 15.75mm, Titanium

  1. Dual Spring: BC1040T
  2. Retainer: BC2010
  3. Seat: BC2904

BC0040TS -  Seat Pressure: 92lbs @ 40.39mm, Open pressure: 270lbs @ 27.94mm, Coil Bind: 22.10mm, Max Lift: 15.75mm, Steel

  1. Dual Spring: BC1040T
  2. Retainer: BC2011
  3. Seat: BC2904

BC0040X - Seat Pressure: 80lbs @ 40.39mm, Open Pressure: 250lbs @ 28.19mm, Coil Bind: 26.16mm, Max Lift: 13.97mm, Titanium

  1. Dual Spring: BC1040
  2. Retainer: BC2010
  3. Seat: No Seat

BC0040SX - Seat Pressure: 80lbs @ 40.39mm, Open Pressure: 250lbs @ 28.19mm, Coil Bind: 26.16mm, Max Lift: 13.97mm, Steel

  1. Dual Spring: BC1040
  2. Retainer: BC2011
  3. Seat: No Seat

Spring Pressure: BC1040 Seat: 1.580" @ 84 lbs / Open: 1.100" @ 250 lbs / Coil Bind: 1.030" (no machine work required). K20A and F20C/F22C use same spring/retainer/seat kit.

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