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EJ25B DUAL AVCS 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.
Kit # Spring # Retainer # Seat # Description Buy Kit Status
BC0600 BC1600 BC2300-16 No Seat Single spring, titanium retainer In-Stock
BC0600S BC1600 BC2300S-16 No Seat Single spring, steel retainer In-Stock
BC0610 BC1020 BC2305-16 BC2936 Dual spring, steel retainer, steel seat In-Stock
Spring Pressure: BC1600 Seat: 1.420" @ 80 lbs / Open: 1.000" @ 178 lbs / Coil Bind: 0.850" (no machine work required)
Spring Pressure: BC1020 Seat: 1.325" @ 82 lbs / Open: 0.925" @ 180 lbs / Coil Bind: 0.730" (no machine work required)
EJ Series Valve Keepers / Locks
6mm stem diameter, 6° billet performance valve stem keepers or locks are designed to fit BC and OEM retainers. 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).
Part # Description # Buy Kit Status
BC2960 6° Billet Keepers / Locks for Subaru EJ205/EJ257 applications In-Stock
EJ25B DUAL AVCS 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.
Part # Description Buy Now Status
BC3600 36.0mm Intake (standard head diameter) In-Stock
BC3601 32.0mm Exhaust (standard head diameter) In-Stock
BC3604 37.0mm Intake (+1mm head diameter) In-Stock
BC3605 33.0mm Exhaust (+1mm head diameter) In-Stock
BC3601-INC 32.0mm INCONEL Exhaust (standard head diameter) In-Stock
Note: Long tip valves with an additional .050" above the keeper grove are available, please contact for more information.
EJ25B 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.
Part # Description Buy Now Status
BC3960 6.0mm INTAKE (Subaru EJ205, EJ257, EJ257B) In-Stock
BC3961 6.0mm EXHAUST (Subaru EJ205, EJ257, EJ257B) In-Stock
619.749.9018 ph
619.749.9128 fx
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.   Follow runBC on Twitter