diff --git a/pkg/solana/config/config.go b/pkg/solana/config/config.go
index df5be635f..9d5cdc5a9 100644
--- a/pkg/solana/config/config.go
+++ b/pkg/solana/config/config.go
@@ -27,7 +27,8 @@ var defaultConfigSet = configSet{
 	ComputeUnitPriceMax:     1_000,
 	ComputeUnitPriceMin:     0,
 	ComputeUnitPriceDefault: 0,
-	FeeBumpPeriod:           3 * time.Second,
+	FeeBumpPeriod:           3 * time.Second, // set to 0 to disable fee bumping
+	BlockHistoryPollPeriod:  5 * time.Second,
 }
 
 //go:generate mockery --name Config --output ./mocks/ --case=underscore --filename config.go
@@ -49,6 +50,7 @@ type Config interface {
 	ComputeUnitPriceMin() uint64
 	ComputeUnitPriceDefault() uint64
 	FeeBumpPeriod() time.Duration
+	BlockHistoryPollPeriod() time.Duration
 }
 
 // opt: remove
@@ -69,6 +71,7 @@ type configSet struct {
 	ComputeUnitPriceMin     uint64
 	ComputeUnitPriceDefault uint64
 	FeeBumpPeriod           time.Duration
+	BlockHistoryPollPeriod  time.Duration
 }
 
 type Chain struct {
@@ -87,6 +90,7 @@ type Chain struct {
 	ComputeUnitPriceMin     *uint64
 	ComputeUnitPriceDefault *uint64
 	FeeBumpPeriod           *config.Duration
+	BlockHistoryPollPeriod  *config.Duration
 }
 
 func (c *Chain) SetDefaults() {
@@ -136,6 +140,9 @@ func (c *Chain) SetDefaults() {
 	if c.FeeBumpPeriod == nil {
 		c.FeeBumpPeriod = config.MustNewDuration(defaultConfigSet.FeeBumpPeriod)
 	}
+	if c.BlockHistoryPollPeriod == nil {
+		c.BlockHistoryPollPeriod = config.MustNewDuration(defaultConfigSet.BlockHistoryPollPeriod)
+	}
 }
 
 type Node struct {
diff --git a/pkg/solana/config/mocks/config.go b/pkg/solana/config/mocks/config.go
index f9f35c3a5..cf1c985a6 100644
--- a/pkg/solana/config/mocks/config.go
+++ b/pkg/solana/config/mocks/config.go
@@ -28,6 +28,20 @@ func (_m *Config) BalancePollPeriod() time.Duration {
 	return r0
 }
 
+// BlockHistoryPollPeriod provides a mock function with given fields:
+func (_m *Config) BlockHistoryPollPeriod() time.Duration {
+	ret := _m.Called()
+
+	var r0 time.Duration
+	if rf, ok := ret.Get(0).(func() time.Duration); ok {
+		r0 = rf()
+	} else {
+		r0 = ret.Get(0).(time.Duration)
+	}
+
+	return r0
+}
+
 // Commitment provides a mock function with given fields:
 func (_m *Config) Commitment() rpc.CommitmentType {
 	ret := _m.Called()
diff --git a/pkg/solana/config/toml.go b/pkg/solana/config/toml.go
index 04cf0a08f..e5eb705e6 100644
--- a/pkg/solana/config/toml.go
+++ b/pkg/solana/config/toml.go
@@ -176,6 +176,9 @@ func setFromChain(c, f *Chain) {
 	if f.FeeBumpPeriod != nil {
 		c.FeeBumpPeriod = f.FeeBumpPeriod
 	}
+	if f.BlockHistoryPollPeriod != nil {
+		c.BlockHistoryPollPeriod = f.BlockHistoryPollPeriod
+	}
 }
 
 func (c *TOMLConfig) ValidateConfig() (err error) {
@@ -268,6 +271,10 @@ func (c *TOMLConfig) FeeBumpPeriod() time.Duration {
 	return c.Chain.FeeBumpPeriod.Duration()
 }
 
+func (c *TOMLConfig) BlockHistoryPollPeriod() time.Duration {
+	return c.Chain.BlockHistoryPollPeriod.Duration()
+}
+
 func (c *TOMLConfig) ListNodes() Nodes {
 	return c.Nodes
 }
diff --git a/pkg/solana/fees/block_history.go b/pkg/solana/fees/block_history.go
index d10dd1a04..214612e90 100644
--- a/pkg/solana/fees/block_history.go
+++ b/pkg/solana/fees/block_history.go
@@ -15,10 +15,6 @@ import (
 	"github.com/smartcontractkit/chainlink-solana/pkg/solana/config"
 )
 
-var (
-	feePolling = 5 * time.Second // TODO: make configurable
-)
-
 var _ Estimator = &blockHistoryEstimator{}
 
 type blockHistoryEstimator struct {
@@ -70,7 +66,7 @@ func (bhe *blockHistoryEstimator) run() {
 			}
 		}
 
-		tick = time.After(utils.WithJitter(feePolling))
+		tick = time.After(utils.WithJitter(bhe.cfg.BlockHistoryPollPeriod()))
 	}
 }
 
diff --git a/pkg/solana/fees/block_history_test.go b/pkg/solana/fees/block_history_test.go
index 251ab3edd..a11eff81c 100644
--- a/pkg/solana/fees/block_history_test.go
+++ b/pkg/solana/fees/block_history_test.go
@@ -22,7 +22,6 @@ import (
 )
 
 func TestBlockHistoryEstimator(t *testing.T) {
-	feePolling = 100 * time.Millisecond // TODO: make this part of cfg mock
 	min := uint64(10)
 	max := uint64(1000)
 
@@ -34,6 +33,7 @@ func TestBlockHistoryEstimator(t *testing.T) {
 	cfg.On("ComputeUnitPriceDefault").Return(uint64(100))
 	cfg.On("ComputeUnitPriceMin").Return(min)
 	cfg.On("ComputeUnitPriceMax").Return(max)
+	cfg.On("BlockHistoryPollPeriod").Return(100 * time.Millisecond)
 	lgr, logs := logger.TestObserved(t, zapcore.DebugLevel)
 	ctx := tests.Context(t)
 
diff --git a/pkg/solana/txm/txm.go b/pkg/solana/txm/txm.go
index e333f9bbd..6824cef7f 100644
--- a/pkg/solana/txm/txm.go
+++ b/pkg/solana/txm/txm.go
@@ -237,8 +237,8 @@ func (txm *Txm) sendWithRetry(chanCtx context.Context, baseTx solanaGo.Transacti
 				return
 			case <-tick:
 				var shouldBump bool
-				// TODO: be able to enable / disable bumping
-				if time.Since(bumpTime) > txm.cfg.FeeBumpPeriod() {
+				// bump if period > 0 and past time
+				if txm.cfg.FeeBumpPeriod() != 0 && time.Since(bumpTime) > txm.cfg.FeeBumpPeriod() {
 					bumpCount++
 					bumpTime = time.Now()
 					shouldBump = true
diff --git a/pkg/solana/txm/txm_internal_test.go b/pkg/solana/txm/txm_internal_test.go
index 85b04e4bc..3f370898e 100644
--- a/pkg/solana/txm/txm_internal_test.go
+++ b/pkg/solana/txm/txm_internal_test.go
@@ -578,6 +578,65 @@ func TestTxm(t *testing.T) {
 				prom.success++
 				prom.assertEqual(t)
 			})
+
+			// fee bumping disabled
+			t.Run("feeBumpingDisabled", func(t *testing.T) {
+				sig := getSig()
+				tx, signed := getTx(t, 11, mkey, 0)
+
+				// disable fee bumping
+				defaultFeeBumpPeriod := cfg.FeeBumpPeriod()
+				cfg.Chain.FeeBumpPeriod = relayconfig.MustNewDuration(0)
+				defer func() {
+					cfg.Chain.FeeBumpPeriod = relayconfig.MustNewDuration(defaultFeeBumpPeriod) // reset
+				}()
+
+				sendCount := 0
+				var countRW sync.RWMutex
+				mc.On("SendTx", mock.Anything, signed(0)).Run(func(mock.Arguments) {
+					countRW.Lock()
+					sendCount++
+					countRW.Unlock()
+				}).Return(sig, nil) // only sends one transaction type (no bumping)
+				mc.On("SimulateTx", mock.Anything, signed(0), mock.Anything).Return(&rpc.SimulateTransactionResult{}, nil).Once()
+
+				// handle signature status calls
+				var wg sync.WaitGroup
+				wg.Add(1)
+				count := 0
+				start := time.Now()
+				statuses[sig] = func() (out *rpc.SignatureStatusesResult) {
+					defer func() { count++ }()
+
+					out = &rpc.SignatureStatusesResult{}
+					if time.Since(start) > 2*defaultFeeBumpPeriod {
+						out.ConfirmationStatus = rpc.ConfirmationStatusConfirmed
+						wg.Done()
+						return
+					}
+					out.ConfirmationStatus = rpc.ConfirmationStatusProcessed
+					return
+				}
+
+				// send tx
+				assert.NoError(t, txm.Enqueue(t.Name(), tx))
+				wg.Wait()
+
+				// no transactions stored inflight txs list
+				waitFor(empty)
+				// transaction should be sent more than twice
+				countRW.RLock()
+				t.Logf("sendTx received %d calls", sendCount)
+				assert.Greater(t, sendCount, 2)
+				countRW.RUnlock()
+
+				// panic if sendTx called after context cancelled
+				mc.On("SendTx", mock.Anything, tx).Panic("SendTx should not be called anymore").Maybe()
+
+				// check prom metric
+				prom.success++
+				prom.assertEqual(t)
+			})
 		})
 	}
 }