Yes, the damper used in any 2020-2022 Pike B3-B4 can be replaced with either of the dampers listed below.
00.4020.169.003 DAMPER UPGRADE KIT - CHARGER2.1 RCT3 CROWN (INCLUDES COMPLETE RIGHT SIDE INTERNALS) - PIKE 27.5" BOOST(A2/2017)/PIKE27.5"/29"(B1+/2018-2022)/REVELATION(A1+,35MM/2018+)
00.4020.169.005 DAMPER UPGRADE KIT - CHARGER2.1 RC2 CROWN HIGH SPEED, LOW SPEED (INCLUDES RIGHT SIDE INTERNALS) - PIKE 27.5" BOOST(A2/2017)/PIKE27.5"/29"(B1/2018-2022)/REVELATION(A1-A3,35MM/2018-2022)
RockShox service kits and spare parts are best obtained through your local shop or dealer. See our dealer locator, below, to find a dealer near you. If no one is currently listed near you, then please search for local shops via your preferred web browser.
https://www.sram.com/en/dealer-locator
Manuals and additional information about RockShox and SRAM components can be found at our service site, linked below.
https://www.sram.com/en/service
Further questions?
Reach out to Rider Support by Asking A Question at the link below.
https://www.sram.com/en/rockshox/campaigns/rockshox-rider-support