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Yamaha YXZ


BC0950

BC0950 - Yamaha 998 Dual Spring/Steel Retainer/Seat Kit

Kit is intended for OEM shim in retainer setup. Designed for high rpm, BC valve springs by PAC Ra...

Kit is intended for OEM shim in retainer setup. 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 retainers are machined from premium 6AL4V titanium alloy for added valve control above 10,000 rpm. Type BC1950 Dual Free Length 1.572" Outer/1.339" Inner Seat 1.265" @ 76 lbs Open 0.850" @ 192 lbs Coil Bind 0.715" Retainer BC2905H ...

$ 325.00 $ 386.75


BC0950B

BC0950B - Yamaha 998 Dual Spring/Steel Retainer/Seat Kit

Kit is intended for shim in aftermarket bucket setup. Designed for high rpm, BC valve springs by ...

Kit is intended for shim in aftermarket bucket setup. 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 retainers are machined from premium 6AL4V titanium alloy for added valve control above 10,000 rpm. Type BC1950 Dual Free Length 1.572" Outer/1.339" Inner Seat 1.265" @ 76 lbs Open 0.850" @ 192 lbs Coil Bind 0.715" Retainer BC29...

$ 325.00 $ 386.75


BC3850

BC3850 - Yamaha YXZ / Textron XX Stainless Steel Intake Valves - 31mm (STD)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

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 finis...

$ 146.00 $ 173.74


BC3851

BC3851 - Yamaha YXZ / Textron XX Stainless Steel Exhaust Valves - 27mm (+1mm)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

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 finis...

$ 146.00 $ 173.74


BC3853-N

BC3853N - Yamaha YXZ / Textron XX Inconel Exhaust Valves - 27mm (+1mm)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, extreme heat resistant Inconel NCF751 alloy or Inconel 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 feature...

$ 261.00 $ 310.59