This is a pack of two Arrma 87mm Shocks with a 16mm Bore, intended for use with the Arrma Infraction and Limitless. Package includes two factory assembled shocks, and additional shock pistons for tuning. Does not include shock oil or shock springs. Features: High-quality anodized aluminum shock bodies, shock caps, shock seal caps and preload adjusters Strong 4mm stainless steel shock shafts for long-lasting durability Tough composite shock rod ends and spring retainers Supplied assembled Ready to bolt on to your vehicle after fitting your choice of spring Shock boots included for shock shaft protection Additional tuning pistons supplied Specifications: Length: 87mm (center to center) Internal Bore Diameter: 16mm Included Shock Oil: 2000cSt Silicone Shock Oil Piston: 8x1.2mm hole pistons Includes: (2) Assembled Shock Absorbers (4) Blank Tuning Pistons (2) 8 x 1.4mm Hole Tuning Piston (2) 8 x 1.3mm Hole Tuning Piston (4) Sway Bar Pivot Balls