King BS2540 2.5 Inch x 4 Inch Travel Hydraulic Pneumatic Bump Stop

The King BS2540 is a high-performance hydraulic/pneumatic bump stop designed to maximize your suspension travel while protecting critical components from harsh bottom-outs. Featuring a 2.5-inch diameter body with 4 inches of progressive travel, this bump stop delivers smooth impact absorption and consistent control over the most demanding off-road terrain.

Key Features:

• 2.5-inch shock body diameter with 4.0 inches of stroke travel
• Compressed length: 11.207 inches, extended length: 15.205 inches
• Nitrogen-charged pneumatic design adjustable up to 400 PSI for custom tuning
• Unique piston design generates massive compression forces with superior flow characteristics
• Micro-polished shafts and honed bores for smooth, fade-free operation
• Advanced triple-stage seal technology rated to 3000 PSI prevents leaks in extreme conditions
• Heat-treated stainless steel alloy valving for longevity and strength
• Long-wearing nylon contact pad ensures quiet operation
• Double-sealed Schrader cover mounts to body (not valve) for superior protection
• Fully rebuildable and revalvable for long-term serviceability
• Aircraft-quality jam nut and precision machined mounting boss with indexing pin

Compatible with A-arm, trailing arm, and solid axle suspension systems. This bump stop is engineered with the same high-quality materials and precision tolerances as King's Performance Race Series shocks, delivering unparalleled bottoming control whether you're rock crawling or high-speed desert racing. Sold individually. Note: Generation 2 bump stops will not fit Generation 1 mounting cans without modifications.