This 82mm piston kit is designed as a replacement part for GX340 337cc 11HP 4-cycle engines commonly used in EC5000 generators.The kit includes the piston, compression rings, wrist pin, and retaining clips, providing essential components for engine rebuilding or cylinder repair.It is engineered to meet standard performance requirements for compatible. Compatible with GX340 337cc 11HP 4-cycle engine models Fits EC5000 generator applications 82mm piston kit includes rings, wrist pin, and retaining clips Suitable for 4kW generator engine repairs Replacement component for cylinder overhaul and engine rebuilding Brand CQadsDyrx Model CQadsDyrx251 Exterior Aluminum Item Weight 3.88 ounces Manufacturer CQadsDyrx Item model number CQadsDyrx810 Product Dimensions 1.97 x 1.18 x 0.79 inches Manufacturer Part Number CQadsDyrx810