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G4KF THETA 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. |
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Kit # |
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Spring # |
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Retainer # |
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Description |
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Buy Kit |
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Status |
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| BC0130 |
BC1130 |
BC2130 |
Single spring, titanium retainer |
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In-Stock |
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| Spring Pressure: Spring Pressure: BC1130 Seat: 1.375" @ 75 lbs / Open: 0.950" @ 175 lbs / Coil Bind: 0.850" |
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G4KF THETA 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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| BC3130 |
35.0mm Intake (standard head diameter) |
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In-Stock |
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| BC3131 |
29.0mm Exhaust (standard head diameter) |
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In-Stock |
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| BC3134 |
36.0mm Intake (+1mm head diameter) |
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In-Stock |
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| BC3135 |
30.0mm Exhaust (+1mm head diameter) |
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In-Stock |
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G4KF THETA 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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| BC3914 |
5.5mm INTAKE (Mitsubishi 4B11T - Evo X, Hyundai G4KF - Genesis) |
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In-Stock |
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| BC3915 |
5.5mm EXHAUST (Mitsubishi 4B11T - Evo X, Hyundai G4KF - Genesis) |
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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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