XRAY 308028 Composite PSS 0.8mm 2-Hole Piston Set (4)  [XR-308028]

Refine Shock Behaviour Using XRAY 308028 Pistons

For tuners aiming for consistent handling, the XRAY 308028 Composite PSS 0.8mm Piston Set is a targeted upgrade. Intended for XRAY X4 and T4 PSS shock systems and suitable with ULP and SLP configurations, the pistons are pre-drilled at 0.8mm to accommodate higher viscosity oils for steadier performance.

Important Handling Points

• 0.8mm Factory Holes: Designed to work with heavier oils to smooth out chassis reactions and improve lap-to-lap consistency.
• Designed for XRAY Shocks: Made specifically for X4 and T4 PSS shock assemblies for correct alignment and operation.
• Complete Kit: Four pistons supplied, enough for a full car setup.

Practical Setup Advice

After fitting the XRAY 308028 pistons, increase oil weight gradually while testing to find the optimal damping curve. This measured approach helps avoid over-stiffening and keeps traction predictable under braking and corner exit.