This is a diaphragm service replacement for all Radium fuel pulse dampers. Safe for all fuel types.

• RADIUM FPD-R (fuel pulse damper, standard range)
• RADIUM FPD-XR (fuel pulse damper, extended range) 
• Damper Side of FPR-D (fuel pressure regulator/damper)

NOTE: Damper diaphragms do not have a ball seat in the underside and can not be used in any fuel pressure regulators.