diff --git a/internal/config/constants.go b/internal/config/constants.go
index b66d486c..bbe6ebc4 100644
--- a/internal/config/constants.go
+++ b/internal/config/constants.go
@@ -34,4 +34,10 @@ var (
 		LyraSepoliaChainID.Uint64(),
 		Ancient8SepoliaChainID.Uint64(),
 	)
+
+	ArbStackChains = mapset.NewSet(
+		ArbitrumOneChainID.Uint64(),
+		ArbitrumGoerliChainID.Uint64(),
+		ArbitrumSepoliaChainID.Uint64(),
+	)
 )
diff --git a/internal/config/values.go b/internal/config/values.go
index 7e1e243d..5377402d 100644
--- a/internal/config/values.go
+++ b/internal/config/values.go
@@ -46,6 +46,7 @@ type Values struct {
 	// Rollup related variables.
 	IsOpStackNetwork   bool
 	IsRIP7212Supported bool
+	IsArbStackNetwork  bool
 
 	// Undocumented variables.
 	DebugMode bool
@@ -99,6 +100,7 @@ func GetValues() *Values {
 	viper.SetDefault("erc4337_bundler_blocks_in_the_future", 6)
 	viper.SetDefault("erc4337_bundler_otel_insecure_mode", false)
 	viper.SetDefault("erc4337_bundler_is_op_stack_network", false)
+	viper.SetDefault("erc4337_bundler_is_arb_stack_network", false)
 	viper.SetDefault("erc4337_bundler_is_rip7212_supported", false)
 	viper.SetDefault("erc4337_bundler_debug_mode", false)
 	viper.SetDefault("erc4337_bundler_gin_mode", gin.ReleaseMode)
@@ -138,6 +140,7 @@ func GetValues() *Values {
 	_ = viper.BindEnv("erc4337_bundler_alt_mempool_ipfs_gateway")
 	_ = viper.BindEnv("erc4337_bundler_alt_mempool_ids")
 	_ = viper.BindEnv("erc4337_bundler_is_op_stack_network")
+	_ = viper.BindEnv("erc4337_bundler_is_arb_stack_network")
 	_ = viper.BindEnv("erc4337_bundler_is_rip7212_supported")
 	_ = viper.BindEnv("erc4337_bundler_debug_mode")
 	_ = viper.BindEnv("erc4337_bundler_gin_mode")
@@ -200,6 +203,7 @@ func GetValues() *Values {
 	altMempoolIPFSGateway := viper.GetString("erc4337_bundler_alt_mempool_ipfs_gateway")
 	altMempoolIds := envArrayToStringSlice(viper.GetString("erc4337_bundler_alt_mempool_ids"))
 	isOpStackNetwork := viper.GetBool("erc4337_bundler_is_op_stack_network")
+	isArbStackNetwork := viper.GetBool("erc4337_bundler_is_arb_stack_network")
 	isRIP7212Supported := viper.GetBool("erc4337_bundler_is_rip7212_supported")
 	debugMode := viper.GetBool("erc4337_bundler_debug_mode")
 	ginMode := viper.GetString("erc4337_bundler_gin_mode")
@@ -226,6 +230,7 @@ func GetValues() *Values {
 		AltMempoolIPFSGateway:        altMempoolIPFSGateway,
 		AltMempoolIds:                altMempoolIds,
 		IsOpStackNetwork:             isOpStackNetwork,
+		IsArbStackNetwork:            isArbStackNetwork,
 		IsRIP7212Supported:           isRIP7212Supported,
 		DebugMode:                    debugMode,
 		GinMode:                      ginMode,
diff --git a/internal/start/private.go b/internal/start/private.go
index bb1fe7e0..23fb9982 100644
--- a/internal/start/private.go
+++ b/internal/start/private.go
@@ -84,9 +84,7 @@ func PrivateMode() {
 	}
 
 	ov := gas.NewDefaultOverhead()
-	if chain.Cmp(config.ArbitrumOneChainID) == 0 ||
-		chain.Cmp(config.ArbitrumGoerliChainID) == 0 ||
-		chain.Cmp(config.ArbitrumSepoliaChainID) == 0 {
+	if conf.IsArbStackNetwork || config.ArbStackChains.Contains(chain.Uint64()) {
 		ov.SetCalcPreVerificationGasFunc(gas.CalcArbitrumPVGWithEthClient(rpc, conf.SupportedEntryPoints[0]))
 		ov.SetPreVerificationGasBufferFactor(16)
 	}