Crankshaft Assembly For Motorcycle 2 Stroke 250-320 Engine Parts Engine Connecting Rod Material: Forged steel Design and Style: Factory balanced with pre-installed connecting rod and bearing Performance and Property: Engineered to meet or exceed part standards Fitment: Specifically designed for 250-320 models Weight: 4100g for a sturdy and assembly Quantity: One kit included This product is not manufactured by the brand.Model and brand mentions are for compatibility guidance only.