Improved heat sink and charging capabilities
Their batteries can withstand constant starting without draining the battery or causing long-term cell damage
They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance while providing excellent engine protection for your motorcycle
Designed to exceed OEM specifications
Reverse polarity indication
Bolt Engine Fastener Kit Yamaha YZ65 '18-'20 YZ80 '93-'01 YZ85 '02-'20 SIZE_M / L Improved heat sink and chargingBolt Engine Fastener Kits come with modern dimpled flange bolts. With a bright zinc finish, these fasteners last long and give a clean, updated look to any engine. Proudly made in the USA. Two Stroke Engine Fastener kits have all the external fasteners from top to bottom end, including hardware for: reeds, crankcase, case saver, water pump, left case cover, ignition cover, inner and outer clutch covers, power valve covers. Four Stroke Engine Fastener