diff --git a/core/txpool/legacypool/legacypool_test.go b/core/txpool/legacypool/legacypool_test.go
index 04d58ddd1c3b..edad39fc4657 100644
--- a/core/txpool/legacypool/legacypool_test.go
+++ b/core/txpool/legacypool/legacypool_test.go
@@ -2730,3 +2730,34 @@ func TestStatsWithMinBaseFee(t *testing.T) {
 		}
 	}
 }
+
+func TestValidateTxBlockSize(t *testing.T) {
+	// Create the pool to test the pricing enforcement with
+	pool, _ := setupPoolWithConfig(params.ScrollMainnetChainConfig)
+	defer pool.Close()
+
+	key, _ := crypto.GenerateKey()
+	account := crypto.PubkeyToAddress(key.PublicKey)
+	testAddBalance(pool, account, big.NewInt(1000000000000000000))
+
+	validTx := pricedDataTransaction(1, 2100000, big.NewInt(1), key, uint64(*pool.chainconfig.Scroll.MaxTxPayloadBytesPerBlock)-128)
+	oversizedTx := pricedDataTransaction(2, 2100000, big.NewInt(1), key, uint64(*pool.chainconfig.Scroll.MaxTxPayloadBytesPerBlock))
+
+	tests := []struct {
+		name string
+		tx   *types.Transaction
+		want error
+	}{
+		{"Valid transaction", validTx, nil},
+		{"Oversized transaction", oversizedTx, txpool.ErrOversizedData},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := pool.validateTxBasics(tt.tx, false)
+			if err != tt.want {
+				t.Errorf("validateTx() error = %v, want %v", err, tt.want)
+			}
+		})
+	}
+}
diff --git a/core/txpool/validation.go b/core/txpool/validation.go
index 3b09ee3ec154..17a6f39bbcaf 100644
--- a/core/txpool/validation.go
+++ b/core/txpool/validation.go
@@ -57,6 +57,10 @@ func ValidateTransaction(tx *types.Transaction, head *types.Header, signer types
 	if tx.Size() > opts.MaxSize {
 		return fmt.Errorf("%w: transaction size %v, limit %v", ErrOversizedData, tx.Size(), opts.MaxSize)
 	}
+	// Reject transactions that cannot fit into a block even as a single transaction
+	if !opts.Config.Scroll.IsValidBlockSize(tx.Size()) {
+		return ErrOversizedData
+	}
 	// Ensure only transactions that have been enabled are accepted
 	if !opts.Config.IsCurie(head.Number) && tx.Type() != types.LegacyTxType {
 		return fmt.Errorf("%w: type %d rejected, pool not yet in Curie", core.ErrTxTypeNotSupported, tx.Type())