Product Details & Notes

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High perfomance replacement for Yamaha part number 8GL-12121-10-00 Kibblewhite # 80-81316 Black Diamond Stainless Engine Exhaust Valve (Std) - 80-81316 for 2016-2025 Yamaha YXZ UTVs .

Kibblewhite Precision Machining Black Diamond Stainless Engine Exhaust Valve (Std) All KPMI® Black Diamond™ Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface build up of .0002.

This Black Diamond process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating.

Each valve is designed using Finite Element Analysis software, and profiles are tested on our computerized flow bench. Black Diamond Valves are lightweight, strong, one piece forgings with profiles that provide excellent flow characteristics SPECS: ype

Exhaust Material Black Diamond™ Stainless Coating Black Nitroneg Quantity Pkg. of 1

Head Diameter 26.00mm / 1.024" Stem Diameter 4.5mm / 0.1760" Tulip 25º Overall Length 3.470"

Yamaha :

YXZ1000R • 2016-2025
YXZ1000R SE • 2016-2020
YXZ1000R SS 2017-2025
YXZ1000R SS SE 2017-2022
YXZ1000R SS XT-R 2020-2025

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