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K20A / K20Z / K24 - Valve Spring & Retainer 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. |
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Kit # |
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Spring # |
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Retainer # |
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Seat # |
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Description |
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Buy Kit |
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Status |
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| BC0040 |
BC1040 |
BC2010 |
BC2904 |
Dual spring, titanium retainer, steel seat |
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In-Stock |
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| BC0040S |
BC1040 |
BC2011 |
BC2904 |
Dual spring, steel retainer, steel seat |
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In-Stock |
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| BC0040T |
BC1040T |
BC2010 |
BC2904 |
Dual spring, titanium retainer/seat for high lift cams (BC0047/BC0047-2) |
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In-Stock |
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| BC0040TS |
BC1040T |
BC2011 |
BC2904 |
Dual spring, steel retainer/seat for high lift cams (BC0047/BC0047-2) |
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In-Stock |
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| BC0040X |
BC1040 |
BC2010 |
No Seat |
Dual spring, titanium retainer |
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In-Stock |
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| BC0040SX |
BC1040 |
BC2011 |
No Seat |
Dual spring, steel retainer |
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In-Stock |
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Spring Pressure: BC1040 Seat: 1.590" @ 80 lbs / Open: 1.110" @ 250 lbs / Coil Bind: 1.030" (no machine work required)
Spring Pressure: BC1040T Seat: 1.590" @ 92 lbs / Open: 1.100" @ 270 lbs / Coil Bind: .870" (no machine work required) |
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| WARNING: If running a late model cylinder head (after 2004), you may need to purchase BC2940 keepers to accommodate the BC2010 or BC2011 retainers. Honda changed the keeper groove angles, therefore your stock keepers/locks may not fit the BC retainers properly causing potential damage. |
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K20A / K20Z / K24 - Valve Keepers / Locks
7° billet performance valve stem keepers or locks are designed to fit BC retainers (BC2010 and BC2011). Precision machined from premium billet bar stock chromoly steel and heat treated for maximum strength to insure against shoulder shearing (common with stock and lesser quality brands). |
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Part # |
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Description # |
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Buy Kit |
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Status |
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| BC2940 |
7° Billet Keepers / Locks for 5.5mm Honda / Acura applications |
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In-Stock |
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| WARNING: If running a late model cylinder head (after 2004), you may need to purchase BC2940 keepers to accommodate the BC2010 or BC2011 retainers. Honda changed the keeper groove angles, therefore your stock keepers/locks may not fit the BC retainers properly causing potential damage. |
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K20A / K20Z / K24 - Stainless Steel Valves
BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finish under the head. |
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Part # |
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Description |
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Buy Now |
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Status |
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| BC3040 |
35.0mm Intake (standard head diameter) |
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In-Stock |
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| BC3041 |
30.0mm Exhaust (standard head diameter) |
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In-Stock |
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| BC3044 |
36.0mm Intake (+1mm head diameter) |
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In-Stock |
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| BC3045 |
31.0mm Exhaust (+1mm head diameter) |
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In-Stock |
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K20A / K20Z / K24 - VALVE GUIDES
BC premium valves guides are made from Manganese Silicon Aluminum Bronze alloy and CNC machined to exacting tolerances. BC guides are resistant to cracking and corrosion, while reducing friction and insures high lubrication even at elevated engine temperatures and rpm's. The perfect replacement to worn or damaged guides and 100% compatible with BC's lineup of stainless steel valves. |
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Part # |
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Description |
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Buy Now |
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Status |
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| BC3904 |
5.5mm INTAKE (Honda K20A/Z, K24A VTEC) |
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In-Stock |
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| BC3905 |
5.5mm EXHAUST (Honda K20A/Z, K24A VTEC) |
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In-Stock |
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619.749.9018 ph
619.749.9128 fx
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| Some products listed are not legal for sale or use on emission controlled motor vehicles, RPM ranges vary on application.Warranty Information Copyright © Brian Crower Inc. All rights reserved.. |
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WARNING: This product can expose you to chemicals,
including Chromium (hexavalent compounds), lead and lead
compounds, which are known to the State of California to
cause cancer, birth defects or other reproductive harm. For
more information, visit www.p65warnings.ca.gov |
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