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Polaris RZR XP 1000 - 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. Choose from the premium beehive design valve spring or the dual for those who perfer added pressure. BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. The titanium retainer option is only designed to work in race only applications with limited miles (under 2500 annually). BC H13 tool steel retainers are the correct choice for those looking to install the kit and forget about it for the rest of the engine's cycle life. Tool steel offers the ultimate in wear resistance. For those looking for an economical alternative, BC's 4140 chromoly steel retainers are the correct choice, but the wear characteristics are not as durable as the tool steel option.
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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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| BC0900 |
BC1901 |
BC2901 |
BC2911 |
Single beehive spring, titanium retainer, steel seat. Race only, economical. |
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In-Stock |
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| BC0900S |
BC1901 |
BC2901S |
BC2911 |
Single beehive spring, 4140 chromoly steel retainer, steel seat. Economically priced! |
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In-Stock |
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| BC0900D |
BC1902 |
BC2902 |
BC2912 |
Dual spring, H13 tool steel retainer, steel seat. For you dual spring lovers! |
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In-Stock |
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Spring Pressure: BC1901 Seat: 1.265" @ 83# / Open: 0.850" @ 197# / CB: 0.760"
Spring Pressure: BC1902 Seat: 1.265" @ 90# / Open: 0.815" @ 233# / CB: 0.770" |
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POLARIS XP SERIES CAM BUCKETS (Shim Under)
Made from aerospace grade, 4140 chromoly steel alloy and completely CNC machined from heat-treated billet round bar. Heavy-duty wall thickness eliminates distortion and cam face depression, while reducing overall weight from non-critical stress areas. Nitrided and polished to a surface hardness of 60RC for minimal wear. Provides lower friction with cam lobes and cylinder head lifter bores for improved durability. |
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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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| BC8880 |
CAM BUCKET FOLLOWERS – Polaris XP 1000, XP Turbo, XP 900 |
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In-Stock |
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| BC8880DLC |
CAM BUCKET FOLLOWERS w/DLC COATING – Polaris XP 1000, XP Turbo, XP 900 |
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In-Stock |
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Polaris RZR XP 1000 Valve Shim Adjusters
BC valve lash adjusters are CNC machined from S7 tool steel for the ultimate in wear resistance. Each shim kit includes 50 pieces from 10 varying thicknesses starting at 2.40mm thick all the way up to 2.85mm thick in 0.05mm increments. 5 shims in each thickness.
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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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| BC3890 |
9.48mm Lash Adjuster Shim Kit (Polaris XP 1000, XP Turbo, XP900) |
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EMAIL |
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Polaris RZR XP 1000 Valve Keepers / Locks
5.5mm stem diameter, 7° 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). |
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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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| BC2991 |
5.5mm Stem Dia Billet Keepers / Locks (Polaris XP 1000, XP Turbo, XP900) – set/16 |
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In-Stock |
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Polaris RZR XP 1000 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. BC premium exhaust valves are made from Nimonic 90 blend with 5 times more tensile strength than stainless steel and a max temperature rating of 2400°F…these are the choice when running high boost. |
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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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| BC3800 |
Stainless Steel - 37.8mm Intake (standard head diameter) - Set/4 |
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In-Stock |
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| BC3801 |
Stainless Steel - 29.2mm Exhaust (standard head diameter) - Set/4 |
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In-Stock |
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| BC3801-N |
Nimonic - 29.2mm Exhaust (standard head diameter) - Set/4 |
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In-Stock |
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| BC3802 |
Stainless Steel - 38.8mm Intake (+1mm head diameter) - Set/4 |
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In-Stock |
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| BC3803 |
Stainless Steel - 30.2mm Exhaust (+1mm head diameter) - Set/4 |
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In-Stock |
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| BC3805 |
Stainless Steel - 32.4mm Exhaust (+3.2mm head diameter) - Set/4 |
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In-Stock |
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| BC3807-N |
Nimonic - 33.0mm Exhaust (+3.8mm head diameter) - Set/4 |
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In-Stock |
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POLARIS RZR XP 1000 VALVE STEM SEALS
BC valve stem seals allow a carefully defined amount of engine oil from the cylinder head into the combustion chamber—to lubricate the rotating valve stem in the valve guide. BC valve stem seals are produced from high performance materials for increased part life and lower wear. |
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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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| BC3990 |
Designed for standard valve guides (BC3965), 5.5mm valve stem diameter (Polaris XP 1000, XP Turbo, XP900) |
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NA |
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| BC3991 |
Designed for OEM/Stock valve guides, 5.5mm valve stem diameter (Polaris XP 1000, XP Turbo, XP900) |
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NA |
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| BC3992 |
Designed for BC threaded valve guides (BC3966), 5.5mm valve stem diameter (Polaris XP 1000, XP Turbo, XP900) |
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NA |
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| BC3965-I |
5.5mm INTAKE valve guides (Polaris XP 1000, XP Turbo, XP900) - Features standard end for BC3990 valve stem seals (set/4) |
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NA |
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| BC3965-E |
5.5mm EXHAUST valve guides (Polaris XP 1000, XP Turbo, XP900) - Features standard end for BC3990 valve stem seals (set/4) |
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NA |
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POLARIS RZR XP TURBO VALVE GUIDES
BC premium valve guides feature a threaded end where the valve stem seal goes, virtually eliminating the seal popping off at extended rpm's. 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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| BC3966 |
5.5mm INTAKE & EXHAUST (Polaris XP 1000, XP Turbo, XP900) - Features threaded end to permanently capture the valve stem seal |
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NA |
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| BC3965-I |
5.5mm INTAKE valve guides (Polaris XP 1000, XP Turbo, XP900) - Features standard end for BC3990 valve stem seals (set/4) |
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NA |
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| BC3965-E |
5.5mm EXHAUST valve guides (Polaris XP 1000, XP Turbo, XP900) - Features standard end for BC3990 valve stem seals (set/4) |
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NA |
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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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