Cylinder Head Collar Screw M7x1x42 for KTM 250/350 2011-2023 - 77330067242

This genuine OEM collar screw (M7x1x42) is a critical fastener designed for the cylinder head assembly of high-performance 4-stroke engines. It ensures the secure mounting of internal components, maintaining the structural integrity and alignment necessary for optimal engine performance. As an original part, it meets the exact factory specifications for thread pitch and tensile strength.

This part fits a wide range of 250cc and 350cc models. It is compatible with KTM 250 EXC-F, 250 SX-F, 250 XC-F, 350 EXC-F, 350 SX-F, 350 XC-F, and 350 XCF-W from 2011 to 2023. It also fits Husqvarna FC 250, FC 350, FE 250, FE 350, FE 350s, and FX 350 models (2014-2023), as well as GasGas EC 250F, EC 350F, EX 250F, EX 350F, MC 250F, and MC 350F (2021-2023). Additionally, it is used in KTM Freeride 250 F and 350 models.

Constructed from high-grade steel, this M7 screw features a specialized collar design that distributes pressure evenly across the mating surface. The head design allows for precise torque application, reducing the risk of stripping during maintenance. Its corrosion-resistant coating ensures longevity even under the extreme heat cycles of a motorcycle engine.

When replacing cylinder head fasteners, always follow the manufacturer's specified torque settings to prevent damage to the aluminum head threads. It is recommended to inspect these screws for stretching or thread wear whenever the top end is disassembled. Using OEM hardware ensures a perfect fit and reliable seal for your engine's internal components.

Check compatibility list below to see if this part fits your motorcycle model.