Upgrade your two stroke engine with the BOLT Universal Cylinder and Head Nut Kit (Part Number 2STK-HDNUT). This comprehensive kit includes all the essential nuts and washers to securely fasten cylinders to your engine. Designed for versatility, it fits all two stroke top ends and is perfect for both M8 and M10 stud configurations. The attractive zinc plated cap nuts not only provide durability but also enhance the aesthetic of your engine components. Features: * Comprehensive Kit: Includes 7 M8 head nuts, 4 M8 flange nuts, 4 M10 flange nuts, and 7 M8 copper washers. * Versatile Compatibility: Fits all two stroke top ends, accommodating both M8 and M10 studs. * Durable Construction: Zinc plated cap nuts for enhanced longevity and corrosion resistance. * Easy Installation: Designed for straightforward installation on two stroke engines.