Lower Case Stretch Bolt Set fits Sea-Doo 4 Stroke 420641120 All 4Tec Engines Exc. Spark 2002-2012

Fits: 420641120Set Includes: (8) M10x1.25x80 BoltsNew stretch bolts should be used to prevent both torque loss and possible engine failure when rebuilding an engine.Measuring the old bolts will not indicate how much strength has been lost during the engines heat cycle.