A Spring Pin is a fastening component featuring a cylindrical shape with a split down its length, allowing it to compress when inserted into a hole, expanding to securely lock into place. This design enables it to withstand shear and lateral forces effectively, maintaining a strong and reliable connection between parts. This pin resists deformation and offers excellent fatigue resistance, ensuring long-term reliability under varying loads.Attributes:• Provides reliable retention under varying loads.• Prevents excessive play and movement.• Resistant to deformation under load.• Provides secure fastening without loosening.• Resilient against vibration.Applications: A Spring Pin is positioned within the rocker arm assembly, securing the rocker arm shaft to maintain proper valve timing and operation within the internal combustion engine.