This steel coil from RockShox is 134 mm long and is suitable for steel coil shocks with metric dimensions and 47.5 to 55 mm stroke.

Specifications
Application: Downhill, Enduro, All Mountain
Rear Shock (Size x Travel): 185 x 47.5 mm, 185 x 50 mm, 210 x 50 mm, 185 x 52.5 mm, 210 x 52.5 mm, 185 x 55 mm, 210 x 55 mm
Stroke: 55 mm
Inner Diameter: 38.5 mm
Compatibility: RockShox steel coil shocks with metric dimensions and 47.5 - 55 mm stroke

Mfr Claimed Weight
TBC