VALVE SPRING/RETAINER KIT
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.
Use steel retainer for high mileage applications. |
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| Kit # |
Spring # |
Retainer # |
Seat # |
Description |
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BC0040 |
BC1040 |
BC2010 |
BC2904 |
Dual spring, titanium retainer/seat |
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| BC0040S |
BC1040 |
BC2011 |
BC2904 |
Dual spring, steel retainer/seat |
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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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STAINLESS STEEL VALVES
BC valves are made from premium stainless steel, fully machined and swirl polished for ultimate air flow. Dished head for added weight savings and increased valve control at high rpm. Standard and oversize head. |
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| Part # |
Description # |
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| BC3060 |
36.0mm Intake (standard head diameter) |
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| BC3061 |
31.0mm Exhaust (standard head diameter) |
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| BC3064 |
37.0mm Intake (+1mm head diameter) |
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| BC3065 |
32.0mm Exhaust (+1mm head diameter) |
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