Doing a top-end rebuild on a Honda XR200, or maybe a 200cc/250cc engine that uses these gaskets? This set includes both the cylinder head gasket and the base gasket, crucial for sealing your engine properly. They're brand new from OPHIR, part number GA0200XR, and come with a manufacturer's warranty. They're sized for a 65.5mm cylinder bore. Using fresh, quality gaskets is super important when you're putting an engine back together—it prevents leaks, maintains compression, and keeps everything running right. Whether you're fixing up a dirt bike, ATV, or other small engine, this gasket set is a key part of the job. Keep your project sealed up tight and reliable.