King PR2518-SSPB-I 2.5 Performance Race Smoothie Shock Piggyback Reservoir 18 Inch Travel

The King PR2518-SSPB-I is a 2.5-inch diameter Performance Race Series smooth body shock absorber featuring an integrated piggyback reservoir with Internal Bump Piston (IBP) and 18 inches of travel. Designed for serious off-road and pre-runner applications, this shock is built to work with existing coil springs, torsion bars, or leaf springs on lifted or long-travel suspension setups.

Key Features:

• 2.5-inch smooth body design with piggyback reservoir and integrated internal bump piston
• 18.0 inches of travel (28.0-inch collapsed length, 46.0-inch extended length)
• Precision-honed cylinder bore with ±0.001-inch tolerance
• 6061 aluminum alloy piston for lightweight strength
• Hard chrome-plated 7/8-inch shaft with 100,000 PSI tensile strength
• Long-wearing urethane seals for extended service life
• Heat-treated stainless alloy valve shims for consistent damping
• Teflon-lined stainless spherical bearings for smooth articulation
• 1/2-inch ID heim joint mounting with 1.5-inch mounting width
• Fully rebuildable and serviceable with simple hand tools

King Shocks are precision-manufactured in Garden Grove, California from billet materials and hand-assembled by trained technicians. Each shock is custom-valved at no extra charge to match your vehicle specifications and intended use. Built to the same exacting standards as King's Pure Race Series, these smooth body shocks deliver race-proven performance with adjustability and serviceability for long-term durability.