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POLARIS HONDA YAMAHA CAN-AM KAWASAKI
XP 1000 PRO R TALON YXZ X3 KRX
XP TURBO
CAMSVALVE TRAINRODSPISTONSSTROKER KITSCRANKSHEADS / CASES
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.
Kit # Spring # Retainer # Seat # Description Buy Kit Status
BC0950 BC1950 BC2905 BC2915 Dual spring, steel retainer, steel seat for shim in retainer (OEM setup). In-Stock
BC0950B BC1950 BC2905B BC2915 Dual spring, steel retainer, steel seat for shim in bucket (aftermarket bucket setup). In-Stock
Spring Pressure: BC1950 Seat: 1.265" @ 92# / Open: 0.850" @ 215# / CB: 0.760"
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.
Part # Description # Buy Kit Status
BC3895 7.48mm Lash Adjuster Shim Kit (Yamaha YXZ/Textron Wildcat XX - 1.80mm - 2.25mm / 5pcs each size) EMAIL
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.
Part # Description Buy Now Status
BC3850 Stainless Steel - 31.0mm Intake (standard head diameter) - Set/6 In-Stock
BC3851 Stainless Steel - 26.0mm Exhaust (standard head diameter) - Set/6 In-Stock
BC3853-N Inconel - 27.0mm Exhaust (+1 head diameter) - Set/6 In-Stock
YAMAHA 998 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 Viton material and feature a steel alloy case for increased part life and lower wear.
Part # Description Buy Now Status
BC3995 Designed for standard valve guides, 4.5mm valve stem diameter (Yamaha YXZ, SideWinder, Viper) set/12 NA
YAMAHA YXZ / 998 SERIES CAM BUCKETS (SHIM UNDER)
Due to Yamaha's notorious bucket wear, BC only offers cam buckets in DLC coating. Features "shim in bucket" design that requires BC0950B valve spring/retainer kit. 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.
Part # Description # Buy Kit Status
BC8885DLC CAM BUCKET FOLLOWERS w/DLC COATING – Yamaha YXZ / 998 - Shim in bucket design 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..
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