King RS4012-BP3P 4.0 Race Series 3-Tube Bypass Shock 12 Inch Stroke Piggyback Reservoir

The King RS4012-BP3P is a 4.0-inch diameter Race Series bypass shock designed for extreme off-road racing applications. This high-performance shock features a 12-inch stroke length, 3-tube bypass configuration, and integrated piggyback reservoir for maximum adjustability and fade-free performance in the most demanding conditions.

Key Features:

• 4.0-inch shock body with 12-inch stroke for exceptional travel and control
• 3-tube bypass design provides position-sensitive damping with independent compression and rebound adjustment
• Piggyback reservoir configuration for compact packaging and efficient heat dissipation
• 1.25-inch diameter shock shaft, induction hardened to 60-65 Rockwell scale, hard chrome plated and micro-polished to 3 RMS mirror finish
• Heat-treated stainless steel bypass valves and springs for consistent, fade-free operation
• 14 turns of precise adjustment per bypass valve for fine-tuning damping characteristics
• CNC-drilled bypass ports that are hand-deburred and polished for maximum flow efficiency
• Shock tubes precision honed to within +/- .001 inch after plating for optimal piston seal and flow characteristics
• Billet 2024 aluminum piston with Teflon bronze wear band and Viton o-ring seals for high-temperature durability
• Hydraulically pressed and TIG-welded rod end attachment for uncompromising strength
• Teflon-lined steel spherical bearings at both mounting points

Built to dominate the harshest racing environments, the King Race Series bypass shock delivers the ultimate in performance, durability, and adjustability for serious off-road competitors who demand nothing less than the best.