Monroe 901360 Max-Lift Gas Charged Lift Support Nitro-Carburized Rod: For exceptional corrosion resistance and durability. Durable Plastic Rod Guide: Durable Plastic Rod Guide reduces potential rod abrasion. Main Seal: Main seal provides positive closure for high-pressure gas. Stop Collar: Stop Collar and Limiting Groove assure precise extended length. High-Strength Piston Assembly: High-Strength Piston Assembly with leak-resistant seal helps prevent fluid leakage around the piston, allowing the fluid to pass efficiently through the piston valving components, providing controlled lift and consistent performance. For best fit refer to secondary image