King RS3518-BP3P 3.5 Inch Pure Race 3-Tube Bypass Shock with Piggyback Reservoir 18 Inch Stroke

The King RS3518-BP3P is a 3.5-inch diameter Pure Race Series bypass shock featuring a 3-tube external bypass design with integrated piggyback reservoir and 18-inch stroke. This professional-grade racing shock is designed for extreme off-road competition and delivers position-sensitive damping for unparalleled suspension control in the harshest racing conditions.

Key Features:

• 3.5-inch shock body with 18-inch stroke for maximum suspension travel
• 3-tube external bypass design with 3/4-inch bypass tubes for position-sensitive damping
• Piggyback reservoir configuration for improved oil capacity and reduced fade
• 1-inch hardened and chrome-plated shaft for superior strength
• Precision bored shock cylinders held to +/- 0.001 inch tolerance, honed after cadmium plating
• 4130 Chromoly bypass tubes with CNC-drilled ports that are hand-deburred and polished
• Cold-drawn 2024 billet aluminum piston with PTFE-impregnated bronze wear band
• Hard anodized 6063 aluminum alloy reservoir for rapid heat dissipation
• 17-4 stainless steel heat-treated valve shims for consistent high-temperature performance
• Each bypass stage is independently tunable for complete control customization
• 100% hand-built in the USA with aircraft-grade materials

King's Pure Race Series represents the pinnacle of off-road shock technology, engineered to withstand temperatures up to 450 degrees and proven in the world's toughest competitions including the Baja 1000 and Dakar Rally. The external bypass design provides accurate flow control throughout the entire range of adjustment, allowing racers to fine-tune high-speed and low-speed compression damping based on shock position. This shock is designed for universal racing applications and requires custom mounting hardware and professional installation.

Specifications:

• Shock Body Diameter: 3.5 inches
• Stroke Length: 18 inches
• Compressed Length: Approximately 30 inches
• Extended Length: Approximately 48 inches
• Shaft Diameter: 1 inch
• Bypass Tube Diameter: 3/4 inch (large)
• Number of Bypass Tubes: 3
• Reservoir Type: Piggyback