Tamiya has released TRF SSBB Damper Piston 4 pcs. OP-1728 under Damper Parts Damper / Shock category
This set contains 4 low-friction POM resin pistons, to be used in TRF Super Short Big Bore Dampers. Replacing pistons often is a vital way to keep optimal damper function. Changing exactly how many holes alters damper performance traits.
Appropriate Chassis
TRF419, TRF419X and TB Evo.7 Chassis utilizing Super Brief Big Bore Dampers