diff --git a/offline/packages/intt/InttCombinedRawDataDecoder.cc b/offline/packages/intt/InttCombinedRawDataDecoder.cc
index 4ffd06f8e1..574d7bf783 100644
--- a/offline/packages/intt/InttCombinedRawDataDecoder.cc
+++ b/offline/packages/intt/InttCombinedRawDataDecoder.cc
@@ -502,6 +502,8 @@ int InttCombinedRawDataDecoder::process_event(PHCompositeNode* topNode)
       hit = new TrkrHitv2;
       //--hit->setAdc(adc);
       hit->setAdc(dac);
+      hit->setFPHXBCO(intthit->get_FPHX_BCO());
+      hit->setBCO(intthit->get_bco());
       hit_set_container_itr->second->addHitSpecificKey(hit_key, hit);
     }
 
diff --git a/offline/packages/trackbase/TrkrHit.h b/offline/packages/trackbase/TrkrHit.h
index 5a2180e162..963b321fa6 100644
--- a/offline/packages/trackbase/TrkrHit.h
+++ b/offline/packages/trackbase/TrkrHit.h
@@ -11,6 +11,7 @@
 
 #include <phool/PHObject.h>
 
+#include <cstdint>
 #include <climits>
 #include <cmath>
 #include <iostream>
@@ -55,6 +56,13 @@ class TrkrHit : public PHObject
   // after digitization, these are the adc values
   virtual void setAdc(const unsigned int) {}
   virtual unsigned int getAdc() const { return 0; }
+
+  // optional per-hit timing payload used by detectors that need to retain
+  // the frontend bunch-counter value alongside the digitized hit.
+  virtual void setFPHXBCO(const uint16_t) {}
+  virtual uint16_t getFPHXBCO() const { return 0; }
+  virtual void setBCO(const uint64_t) {}
+  virtual uint64_t getBCO() const { return 0; }
   /*
   virtual void setCrossing(const short int) {}
   virtual short int getCrossing() { return 0;}
diff --git a/offline/packages/trackbase/TrkrHitv1.cc b/offline/packages/trackbase/TrkrHitv1.cc
index b0001fb30e..b96c56b42d 100644
--- a/offline/packages/trackbase/TrkrHitv1.cc
+++ b/offline/packages/trackbase/TrkrHitv1.cc
@@ -13,6 +13,8 @@ void TrkrHitv1::CopyFrom(const TrkrHit& source)
 
   // copy adc
   setAdc(source.getAdc());
+  setFPHXBCO(source.getFPHXBCO());
+  setBCO(source.getBCO());
 }
 
 unsigned int TrkrHitv1::getAdc() const
diff --git a/offline/packages/trackbase/TrkrHitv1.h b/offline/packages/trackbase/TrkrHitv1.h
index 7ab629a1c3..6ac15306e2 100644
--- a/offline/packages/trackbase/TrkrHitv1.h
+++ b/offline/packages/trackbase/TrkrHitv1.h
@@ -28,7 +28,9 @@ class TrkrHitv1 : public TrkrHit
   // PHObject virtual overloads
   void identify(std::ostream& os = std::cout) const override
   {
-    os << "TrkrHitV1 class with adc = " << m_adc << std::endl;
+    os << "TrkrHitV1 class with adc = " << m_adc
+       << " and FPHX_BCO = " << m_fphx_bco
+       << " and BCO = " << m_bco << std::endl;
   }
   void Reset() override {}
   int isValid() const override { return 0; }
@@ -49,11 +51,17 @@ class TrkrHitv1 : public TrkrHit
   double getEnergy() const override { return m_edep; }
   void setAdc(const unsigned int adc) override { m_adc = adc; }
   unsigned int getAdc() const override;
+  void setFPHXBCO(const uint16_t bco) override { m_fphx_bco = bco; }
+  uint16_t getFPHXBCO() const override { return m_fphx_bco; }
+  void setBCO(const uint64_t bco) override { m_bco = bco; }
+  uint64_t getBCO() const override { return m_bco; }
 
  protected:
   double m_edep = 0;
   unsigned int m_adc = 0;
-  ClassDefOverride(TrkrHitv1, 1);
+  uint16_t m_fphx_bco = 0;
+  uint64_t m_bco = 0;
+  ClassDefOverride(TrkrHitv1, 3);
 };
 
 #endif  // TRACKBASE_TRKRHITV1_H
diff --git a/offline/packages/trackbase/TrkrHitv2.cc b/offline/packages/trackbase/TrkrHitv2.cc
index 6ef48d6435..27a87085d3 100644
--- a/offline/packages/trackbase/TrkrHitv2.cc
+++ b/offline/packages/trackbase/TrkrHitv2.cc
@@ -14,6 +14,8 @@ void TrkrHitv2::CopyFrom(const TrkrHit& source)
 
   // copy adc
   setAdc(source.getAdc());
+  setFPHXBCO(source.getFPHXBCO());
+  setBCO(source.getBCO());
 }
 
 // these set and get the energy before digitization
diff --git a/offline/packages/trackbase/TrkrHitv2.h b/offline/packages/trackbase/TrkrHitv2.h
index 8c83192019..c637ad8cc9 100644
--- a/offline/packages/trackbase/TrkrHitv2.h
+++ b/offline/packages/trackbase/TrkrHitv2.h
@@ -33,7 +33,9 @@ class TrkrHitv2 : public TrkrHit
   // PHObject virtual overloads
   void identify(std::ostream& os = std::cout) const override
   {
-    os << "TrkrHitv2 class with adc = " << m_adc << std::endl;
+    os << "TrkrHitv2 class with adc = " << m_adc
+       << " and FPHX_BCO = " << m_fphx_bco
+       << " and BCO = " << m_bco << std::endl;
   }
   void Reset() override {}
   int isValid() const override { return 0; }
@@ -57,10 +59,16 @@ class TrkrHitv2 : public TrkrHit
   // after digitization, these are the adc values
   void setAdc(const unsigned int adc) override;
   unsigned int getAdc() const override;
+  void setFPHXBCO(const uint16_t bco) override { m_fphx_bco = bco; }
+  uint16_t getFPHXBCO() const override { return m_fphx_bco; }
+  void setBCO(const uint64_t bco) override { m_bco = bco; }
+  uint64_t getBCO() const override { return m_bco; }
 
  protected:
   unsigned short m_adc = 0;
-  ClassDefOverride(TrkrHitv2, 1);
+  uint16_t m_fphx_bco = 0;
+  uint64_t m_bco = 0;
+  ClassDefOverride(TrkrHitv2, 3);
 };
 
 #endif  // TRACKBASE_TRKRHITV2_H