CAMSHAFTSVALVE TRAINCONNECTING RODSPISTONSSTROKER KITSCRANKSHAFTSHEADS / CASES |
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YAMAHA YXZ1000R / SIDEWINDER / VIPER / NYTRO 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 H13 tool steel retainers are CNC machined from round bar to exacting tolerances and will deliver unprecedented wear resistance for the life of the engine. |
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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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| BC0950 |
BC1950 |
BC2905H |
BC2915 |
Dual spring, steel retainer, steel seat for shim in retainer (OEM setup). |
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In-Stock |
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| BC0950B |
BC1950 |
BC2905B |
BC2915 |
Dual spring, steel retainer, steel seat for shim in bucket (aftermarket bucket setup). |
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In-Stock |
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| Spring Pressure: BC1950 Seat: 1.265" @ 92# / Open: 0.850" @ 215# / CB: 0.760" |
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YAMAHA YXZ1000R / TEXTRON WILDCAT 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 in 10 varying thicknesses starting at 1.80mm thick all the way up to 2.25mm 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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| BC3895 |
7.48mm Lash Adjuster Shim Kit (Yamaha YXZ/Textron Wildcat XX - 1.80mm - 2.25mm / 5pcs each size) |
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EMAIL |
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Yamaha YXZ1000R / Textron Wildcat XX 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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| BC3850 |
Stainless Steel - 31.0mm Intake (standard head diameter) - Set/6 |
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In-Stock |
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| BC3851 |
Stainless Steel - 26.0mm Exhaust (standard head diameter) - Set/6 |
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In-Stock |
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| BC3853-N |
Inconel - 27.0mm Exhaust (+1 head diameter) - Set/6 |
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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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