diff --git a/mod/beacon/blockchain/execution_engine.go b/mod/beacon/blockchain/execution_engine.go
index f4864ee5ef..294c6cd5eb 100644
--- a/mod/beacon/blockchain/execution_engine.go
+++ b/mod/beacon/blockchain/execution_engine.go
@@ -40,6 +40,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) sendPostBlockFCU(
 	ctx context.Context,
 	st BeaconStateT,
@@ -75,6 +76,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) sendNextFCUWithAttributes(
 	ctx context.Context,
 	st BeaconStateT,
@@ -130,6 +132,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) sendNextFCUWithoutAttributes(
 	ctx context.Context,
 	blk BeaconBlockT,
@@ -171,6 +174,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) calculateNextTimestamp(blk BeaconBlockT) uint64 {
 	//#nosec:G701 // not an issue in practice.
 	return max(
diff --git a/mod/beacon/blockchain/payload.go b/mod/beacon/blockchain/payload.go
index 025225aece..0799b3f6a7 100644
--- a/mod/beacon/blockchain/payload.go
+++ b/mod/beacon/blockchain/payload.go
@@ -41,6 +41,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) forceStartupHead(
 	ctx context.Context,
 	st BeaconStateT,
@@ -79,6 +80,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) handleRebuildPayloadForRejectedBlock(
 	ctx context.Context,
 	st BeaconStateT,
@@ -112,6 +114,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) rebuildPayloadForRejectedBlock(
 	ctx context.Context,
 	st BeaconStateT,
@@ -199,6 +202,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) handleOptimisticPayloadBuild(
 	ctx context.Context,
 	st BeaconStateT,
@@ -226,6 +230,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) optimisticPayloadBuild(
 	ctx context.Context,
 	st BeaconStateT,
diff --git a/mod/beacon/blockchain/process.go b/mod/beacon/blockchain/process.go
index 8551b67c56..aee6380f21 100644
--- a/mod/beacon/blockchain/process.go
+++ b/mod/beacon/blockchain/process.go
@@ -45,6 +45,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) ProcessGenesisData(
 	ctx context.Context,
 	genesisData GenesisT,
@@ -71,6 +72,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) ProcessBlockAndBlobs(
 	ctx context.Context,
 	blk BeaconBlockT,
@@ -146,6 +148,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) processBeaconBlock(
 	ctx context.Context,
 	st BeaconStateT,
@@ -191,6 +194,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) processBlobSidecars(
 	ctx context.Context,
 	slot math.Slot,
diff --git a/mod/beacon/blockchain/receive.go b/mod/beacon/blockchain/receive.go
index 3b63975100..50beb9eca1 100644
--- a/mod/beacon/blockchain/receive.go
+++ b/mod/beacon/blockchain/receive.go
@@ -44,6 +44,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) ReceiveBlockAndBlobs(
 	ctx context.Context,
 	blk BeaconBlockT,
@@ -84,6 +85,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) VerifyIncomingBlock(
 	ctx context.Context,
 	blk BeaconBlockT,
@@ -161,6 +163,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) verifyStateRoot(
 	ctx context.Context,
 	st BeaconStateT,
@@ -206,6 +209,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) VerifyIncomingBlobs(
 	_ context.Context,
 	blk BeaconBlockT,
@@ -259,6 +263,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) shouldBuildOptimisticPayloads() bool {
 	return s.optimisticPayloadBuilds && s.lb.Enabled()
 }
diff --git a/mod/beacon/blockchain/service.go b/mod/beacon/blockchain/service.go
index 9c31c4ad21..a4c01b1427 100644
--- a/mod/beacon/blockchain/service.go
+++ b/mod/beacon/blockchain/service.go
@@ -49,6 +49,7 @@ type Service[
 		Version() uint32
 		GetSuggestedFeeRecipient() common.ExecutionAddress
 	},
+	WithdrawalT any,
 ] struct {
 	// sb represents the backend storage for beacon states and associated
 	// sidecars.
@@ -111,6 +112,7 @@ func NewService[
 		Version() uint32
 		GetSuggestedFeeRecipient() common.ExecutionAddress
 	},
+	WithdrawalT any,
 ](
 	sb StorageBackend[
 		AvailabilityStoreT,
@@ -140,12 +142,12 @@ func NewService[
 ) *Service[
 	AvailabilityStoreT, BeaconBlockT, BeaconBlockBodyT, BeaconBlockHeaderT,
 	BeaconStateT, BlobSidecarsT, DepositT, ExecutionPayloadT,
-	ExecutionPayloadHeaderT, GenesisT, PayloadAttributesT,
+	ExecutionPayloadHeaderT, GenesisT, PayloadAttributesT, WithdrawalT,
 ] {
 	return &Service[
 		AvailabilityStoreT, BeaconBlockT, BeaconBlockBodyT, BeaconBlockHeaderT,
 		BeaconStateT, BlobSidecarsT, DepositT, ExecutionPayloadT,
-		ExecutionPayloadHeaderT, GenesisT, PayloadAttributesT,
+		ExecutionPayloadHeaderT, GenesisT, PayloadAttributesT, WithdrawalT,
 	]{
 		sb:                      sb,
 		logger:                  logger,
@@ -174,6 +176,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) Name() string {
 	return "blockchain"
 }
@@ -190,6 +193,7 @@ func (s *Service[
 	ExecutionPayloadHeaderT,
 	GenesisT,
 	PayloadAttributesT,
+	_,
 ]) Start(
 	context.Context,
 ) error {
diff --git a/mod/execution/pkg/engine/engine.go b/mod/execution/pkg/engine/engine.go
index 05cb882484..7efb10aea4 100644
--- a/mod/execution/pkg/engine/engine.go
+++ b/mod/execution/pkg/engine/engine.go
@@ -39,10 +39,11 @@ import (
 // from the Ethereum 2.0 Specification.
 type Engine[
 	ExecutionPayloadT ExecutionPayload[
-		ExecutionPayloadT, *engineprimitives.Withdrawal,
+		ExecutionPayloadT, WithdrawalT,
 	],
 	PayloadAttributesT engineprimitives.PayloadAttributer,
 	PayloadIDT ~[8]byte,
+	WithdrawalT Withdrawal[WithdrawalT],
 ] struct {
 	// ec is the engine client that the engine will use to
 	// interact with the execution layer.
@@ -61,10 +62,11 @@ type Engine[
 // New creates a new Engine.
 func New[
 	ExecutionPayloadT ExecutionPayload[
-		ExecutionPayloadT, *engineprimitives.Withdrawal,
+		ExecutionPayloadT, WithdrawalT,
 	],
 	PayloadAttributesT engineprimitives.PayloadAttributer,
 	PayloadIDT ~[8]byte,
+	WithdrawalT Withdrawal[WithdrawalT],
 ](
 	ec *client.EngineClient[ExecutionPayloadT, PayloadAttributesT],
 	logger log.Logger[any],
@@ -74,9 +76,9 @@ func New[
 	],
 	telemtrySink TelemetrySink,
 ) *Engine[
-	ExecutionPayloadT, PayloadAttributesT, PayloadIDT,
+	ExecutionPayloadT, PayloadAttributesT, PayloadIDT, WithdrawalT,
 ] {
-	return &Engine[ExecutionPayloadT, PayloadAttributesT, PayloadIDT]{
+	return &Engine[ExecutionPayloadT, PayloadAttributesT, PayloadIDT, WithdrawalT]{
 		ec:         ec,
 		logger:     logger,
 		metrics:    newEngineMetrics(telemtrySink, logger),
@@ -85,9 +87,7 @@ func New[
 }
 
 // Start spawns any goroutines required by the service.
-func (ee *Engine[
-	ExecutionPayloadT, PayloadAttributesT, PayloadIDT,
-]) Start(
+func (ee *Engine[_, _, _, _]) Start(
 	ctx context.Context,
 ) error {
 	go func() {
@@ -101,7 +101,7 @@ func (ee *Engine[
 
 // GetPayload returns the payload and blobs bundle for the given slot.
 func (ee *Engine[
-	ExecutionPayloadT, _, _,
+	ExecutionPayloadT, _, _, _,
 ]) GetPayload(
 	ctx context.Context,
 	req *engineprimitives.GetPayloadRequest[engineprimitives.PayloadID],
@@ -114,7 +114,7 @@ func (ee *Engine[
 
 // NotifyForkchoiceUpdate notifies the execution client of a forkchoice update.
 func (ee *Engine[
-	_, PayloadAttributesT, _,
+	_, PayloadAttributesT, _, _,
 ]) NotifyForkchoiceUpdate(
 	ctx context.Context,
 	req *engineprimitives.ForkchoiceUpdateRequest[PayloadAttributesT],
@@ -186,11 +186,12 @@ func (ee *Engine[
 // VerifyAndNotifyNewPayload verifies the new payload and notifies the
 // execution client.
 func (ee *Engine[
-	ExecutionPayloadT, _, _,
+	ExecutionPayloadT, _, _, WithdrawalT,
 ]) VerifyAndNotifyNewPayload(
 	ctx context.Context,
 	req *engineprimitives.NewPayloadRequest[
-		ExecutionPayloadT, *engineprimitives.Withdrawal],
+		ExecutionPayloadT, WithdrawalT,
+	],
 ) error {
 	// Log the new payload attempt.
 	ee.metrics.markNewPayloadCalled(
diff --git a/mod/execution/pkg/engine/types.go b/mod/execution/pkg/engine/types.go
index 826ebedccb..21146ee65a 100644
--- a/mod/execution/pkg/engine/types.go
+++ b/mod/execution/pkg/engine/types.go
@@ -62,3 +62,17 @@ type TelemetrySink interface {
 	// provided keys.
 	SetGauge(key string, value int64, args ...string)
 }
+
+// Withdrawal is the interface for a withdrawal.
+type Withdrawal[WithdrawalT any] interface {
+	// Equals returns true if the withdrawal is equal to the other.
+	Equals(WithdrawalT) bool
+	// GetAmount returns the amount of the withdrawal.
+	GetAmount() math.Gwei
+	// GetIndex returns the public key of the validator.
+	GetIndex() math.U64
+	// GetValidatorIndex returns the index of the validator.
+	GetValidatorIndex() math.ValidatorIndex
+	// GetAddress returns the address of the withdrawal.
+	GetAddress() common.ExecutionAddress
+}
diff --git a/mod/node-core/pkg/components/chain_service.go b/mod/node-core/pkg/components/chain_service.go
index 77a317a4ba..82bfdf69da 100644
--- a/mod/node-core/pkg/components/chain_service.go
+++ b/mod/node-core/pkg/components/chain_service.go
@@ -25,6 +25,7 @@ import (
 	"cosmossdk.io/depinject"
 	"github.com/berachain/beacon-kit/mod/beacon/blockchain"
 	"github.com/berachain/beacon-kit/mod/config"
+	engineprimitives "github.com/berachain/beacon-kit/mod/engine-primitives/pkg/engine-primitives"
 	"github.com/berachain/beacon-kit/mod/node-core/pkg/components/metrics"
 	"github.com/berachain/beacon-kit/mod/primitives/pkg/common"
 	"github.com/berachain/beacon-kit/mod/primitives/pkg/crypto"
@@ -63,6 +64,8 @@ func ProvideChainService(
 		*ExecutionPayload,
 		*ExecutionPayloadHeader,
 		*Genesis,
+		*engineprimitives.PayloadAttributes[*Withdrawal],
+		*Withdrawal,
 	](
 		in.StorageBackend,
 		in.Logger.With("service", "blockchain"),
diff --git a/mod/node-core/pkg/components/defaults.go b/mod/node-core/pkg/components/defaults.go
index 240f2c9861..2ab70b1086 100644
--- a/mod/node-core/pkg/components/defaults.go
+++ b/mod/node-core/pkg/components/defaults.go
@@ -56,7 +56,11 @@ func DefaultComponentsWithStandardTypes() []any {
 			*engineprimitives.PayloadAttributes[*Withdrawal],
 		],
 		ProvideExecutionEngine[
-			*ExecutionPayload, *Withdrawal],
+			*ExecutionPayload,
+			*engineprimitives.PayloadAttributes[*Withdrawal],
+			engineprimitives.PayloadID,
+			*Withdrawal,
+		],
 		ProvideJWTSecret,
 		ProvideLocalBuilder,
 		ProvideServiceRegistry,
diff --git a/mod/node-core/pkg/components/engine.go b/mod/node-core/pkg/components/engine.go
index ef26bc6781..84afb3ad55 100644
--- a/mod/node-core/pkg/components/engine.go
+++ b/mod/node-core/pkg/components/engine.go
@@ -27,7 +27,7 @@ import (
 	"cosmossdk.io/log"
 	"github.com/berachain/beacon-kit/mod/config"
 	engineprimitives "github.com/berachain/beacon-kit/mod/engine-primitives/pkg/engine-primitives"
-	engineclient "github.com/berachain/beacon-kit/mod/execution/pkg/client"
+	"github.com/berachain/beacon-kit/mod/execution/pkg/client"
 	execution "github.com/berachain/beacon-kit/mod/execution/pkg/engine"
 	"github.com/berachain/beacon-kit/mod/interfaces"
 	"github.com/berachain/beacon-kit/mod/node-core/pkg/components/metrics"
@@ -39,8 +39,9 @@ import (
 // EngineClientInputs is the input for the EngineClient.
 type EngineClientInputs struct {
 	depinject.In
-	ChainSpec     common.ChainSpec
-	Config        *config.Config
+	ChainSpec common.ChainSpec
+	Config    *config.Config
+	// TODO: this feels like a hood way to handle it.
 	JWTSecret     *jwt.Secret `optional:"true"`
 	Logger        log.Logger
 	TelemetrySink *metrics.TelemetrySink
@@ -67,8 +68,8 @@ func ProvideEngineClient[
 	WithdrawalT any,
 ](
 	in EngineClientInputs,
-) *engineclient.EngineClient[ExecutionPayloadT, PayloadAttributesT] {
-	return engineclient.New[ExecutionPayloadT, PayloadAttributesT](
+) *client.EngineClient[ExecutionPayloadT, PayloadAttributesT] {
+	return client.New[ExecutionPayloadT, PayloadAttributesT](
 		&in.Config.Engine,
 		in.Logger.With("service", "engine.client"),
 		in.JWTSecret,
@@ -77,11 +78,18 @@ func ProvideEngineClient[
 	)
 }
 
-// ExecutionEngineInput is the input for the execution engine for the depinject
-// framework.
-type ExecutionEngineInput struct {
+// EngineClientInputs is the input for the EngineClient.
+type ExecutionEngineInputs[
+	ExecutionPayloadT interfaces.ExecutionPayload[
+		ExecutionPayloadT, common.ExecutionAddress,
+		common.ExecutionHash, common.Bytes32,
+		math.U64, math.Wei, []byte, WithdrawalT,
+	],
+	PayloadAttributesT engineprimitives.PayloadAttributer,
+	WithdrawalT any,
+] struct {
 	depinject.In
-	EngineClient  *EngineClient
+	EngineClient  *client.EngineClient[ExecutionPayloadT, PayloadAttributesT]
 	Logger        log.Logger
 	StatusFeed    *StatusFeed
 	TelemetrySink *metrics.TelemetrySink
@@ -95,14 +103,24 @@ func ProvideExecutionEngine[
 		common.ExecutionHash, common.Bytes32,
 		math.U64, math.Wei, []byte, WithdrawalT,
 	],
-	WithdrawalT any,
+	PayloadAttributesT engineprimitives.PayloadAttributer,
+	PayloadIDT ~[8]byte,
+	WithdrawalT execution.Withdrawal[WithdrawalT],
 ](
-	in ExecutionEngineInput,
-) *ExecutionEngine {
+	in ExecutionEngineInputs[
+		ExecutionPayloadT,
+		PayloadAttributesT,
+		WithdrawalT,
+	],
+) *execution.Engine[
+	ExecutionPayloadT, PayloadAttributesT,
+	PayloadIDT, WithdrawalT,
+] {
 	return execution.New[
-		*ExecutionPayload,
-		*engineprimitives.PayloadAttributes[*Withdrawal],
-		engineprimitives.PayloadID,
+		ExecutionPayloadT,
+		PayloadAttributesT,
+		PayloadIDT,
+		WithdrawalT,
 	](
 		in.EngineClient,
 		in.Logger.With("service", "execution-engine"),
diff --git a/mod/node-core/pkg/components/types.go b/mod/node-core/pkg/components/types.go
index ca6698bf16..bcef0b93e3 100644
--- a/mod/node-core/pkg/components/types.go
+++ b/mod/node-core/pkg/components/types.go
@@ -120,6 +120,7 @@ type (
 		*ExecutionPayloadHeader,
 		*Genesis,
 		*engineprimitives.PayloadAttributes[*Withdrawal],
+		*Withdrawal,
 	]
 
 	// DBManager is a type alias for the database manager.
@@ -153,7 +154,7 @@ type (
 	// EngineClient is a type alias for the engine client.
 	ExecutionEngine = execution.Engine[
 		*ExecutionPayload, *engineprimitives.PayloadAttributes[*Withdrawal],
-		engineprimitives.PayloadID,
+		engineprimitives.PayloadID, *Withdrawal,
 	]
 
 	// ExecutionPayload type aliases.