For the best performance on the track, AST Suspension designed the Competition 3-way adjustable dampers (5300 series). By having separate Low & High speed compression adjustments in addition to the rebound, drivers are able to fine tune their shocks to their precise needs.
Benefits include
High end, track ready suspension
Rebound, Low & Hi Speed Compression Adjustable (ﾑTriplesﾒ), with a remote reservoir
Remote reservoirs allow additional travel and heat dissipation
44.5mm diameter shaft struts, Inverted
New low friction seal on all AST dampers
Spherical lower ﾑﾒeyeﾒﾒ shock mounts
Reservoir with hose or piggyback
Spherical upper shock mount assemblies
Synthetic hydraulic fluid
Optional DLC Coated shafts
Optional DDP piston (double digressive)

High end track ready suspension. 3-way adjustable Rebound Low & Hi Speed Compression adjustable (Triples)Including remote reservoir and top mounts. including springs.