diff --git a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/DelegatingSpecConfig.java b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/DelegatingSpecConfig.java
index 403dae93aba..b513c9b16bf 100644
--- a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/DelegatingSpecConfig.java
+++ b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/DelegatingSpecConfig.java
@@ -327,6 +327,16 @@ public int getMaxChunkSize() {
     return specConfig.getMaxChunkSize();
   }
 
+  @Override
+  public int getTtfbTimeout() {
+    return specConfig.getTtfbTimeout();
+  }
+
+  @Override
+  public int getRespTimeout() {
+    return specConfig.getRespTimeout();
+  }
+
   @Override
   public int getAttestationPropagationSlotRange() {
     return specConfig.getAttestationPropagationSlotRange();
diff --git a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/NetworkingSpecConfig.java b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/NetworkingSpecConfig.java
index a41f0d5f920..ef5b229dfcc 100644
--- a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/NetworkingSpecConfig.java
+++ b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/NetworkingSpecConfig.java
@@ -27,6 +27,12 @@ public interface NetworkingSpecConfig {
 
   int getMinEpochsForBlockRequests();
 
+  // in seconds
+  int getTtfbTimeout();
+
+  // in seconds
+  int getRespTimeout();
+
   int getAttestationPropagationSlotRange();
 
   // in millis
diff --git a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/SpecConfigPhase0.java b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/SpecConfigPhase0.java
index 52654dfdd29..6d41969704c 100644
--- a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/SpecConfigPhase0.java
+++ b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/SpecConfigPhase0.java
@@ -107,6 +107,8 @@ public class SpecConfigPhase0 implements SpecConfig {
   private final int maxRequestBlocks;
   private final int epochsPerSubnetSubscription;
   private final int minEpochsForBlockRequests;
+  private final int ttfbTimeout;
+  private final int respTimeout;
   private final int attestationPropagationSlotRange;
   private final int maximumGossipClockDisparity;
   private final Bytes4 messageDomainInvalidSnappy;
@@ -177,6 +179,8 @@ public SpecConfigPhase0(
       final int maxRequestBlocks,
       final int epochsPerSubnetSubscription,
       final int minEpochsForBlockRequests,
+      final int ttfbTimeout,
+      final int respTimeout,
       final int attestationPropagationSlotRange,
       final int maximumGossipClockDisparity,
       final Bytes4 messageDomainInvalidSnappy,
@@ -245,6 +249,8 @@ public SpecConfigPhase0(
     this.maxRequestBlocks = maxRequestBlocks;
     this.epochsPerSubnetSubscription = epochsPerSubnetSubscription;
     this.minEpochsForBlockRequests = minEpochsForBlockRequests;
+    this.ttfbTimeout = ttfbTimeout;
+    this.respTimeout = respTimeout;
     this.attestationPropagationSlotRange = attestationPropagationSlotRange;
     this.maximumGossipClockDisparity = maximumGossipClockDisparity;
     this.messageDomainInvalidSnappy = messageDomainInvalidSnappy;
@@ -579,6 +585,16 @@ public int getMinEpochsForBlockRequests() {
     return minEpochsForBlockRequests;
   }
 
+  @Override
+  public int getTtfbTimeout() {
+    return ttfbTimeout;
+  }
+
+  @Override
+  public int getRespTimeout() {
+    return respTimeout;
+  }
+
   @Override
   public int getAttestationPropagationSlotRange() {
     return attestationPropagationSlotRange;
@@ -675,6 +691,8 @@ public boolean equals(final Object o) {
         && attestationSubnetCount == that.attestationSubnetCount
         && attestationSubnetExtraBits == that.attestationSubnetExtraBits
         && attestationSubnetPrefixBits == that.attestationSubnetPrefixBits
+        && ttfbTimeout == that.ttfbTimeout
+        && respTimeout == that.respTimeout
         && attestationPropagationSlotRange == that.attestationPropagationSlotRange
         && maximumGossipClockDisparity == that.maximumGossipClockDisparity
         && Objects.equals(eth1FollowDistance, that.eth1FollowDistance)
@@ -754,6 +772,8 @@ public int hashCode() {
         maxChunkSize,
         maxRequestBlocks,
         epochsPerSubnetSubscription,
+        ttfbTimeout,
+        respTimeout,
         attestationPropagationSlotRange,
         maximumGossipClockDisparity,
         messageDomainInvalidSnappy,
diff --git a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/builder/SpecConfigBuilder.java b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/builder/SpecConfigBuilder.java
index e731ec925fe..5e48e29614c 100644
--- a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/builder/SpecConfigBuilder.java
+++ b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/builder/SpecConfigBuilder.java
@@ -112,6 +112,8 @@ public class SpecConfigBuilder {
   private Integer maxChunkSize;
   private Integer maxRequestBlocks;
   private Integer epochsPerSubnetSubscription;
+  private Integer ttfbTimeout;
+  private Integer respTimeout;
   private Integer attestationPropagationSlotRange;
   private Integer maximumGossipClockDisparity;
   private Bytes4 messageDomainInvalidSnappy;
@@ -203,6 +205,8 @@ public SpecConfigAndParent<SpecConfigElectra> build() {
                 maxRequestBlocks,
                 epochsPerSubnetSubscription,
                 minEpochsForBlockRequests,
+                ttfbTimeout,
+                respTimeout,
                 attestationPropagationSlotRange,
                 maximumGossipClockDisparity,
                 messageDomainInvalidSnappy,
@@ -275,6 +279,8 @@ private Map<String, Object> getValidationMap() {
     constants.put("maxRequestBlocks", maxRequestBlocks);
     constants.put("epochsPerSubnetSubscription", epochsPerSubnetSubscription);
     constants.put("minEpochsForBlockRequests", minEpochsForBlockRequests);
+    constants.put("ttfbTimeout", ttfbTimeout);
+    constants.put("respTimeout", respTimeout);
     constants.put("attestationPropagationSlotRange", attestationPropagationSlotRange);
     constants.put("maximumGossipClockDisparity", maximumGossipClockDisparity);
     constants.put("messageDomainInvalidSnappy", messageDomainInvalidSnappy);
@@ -645,6 +651,16 @@ public SpecConfigBuilder minEpochsForBlockRequests(final Integer minEpochsForBlo
     return this;
   }
 
+  public SpecConfigBuilder ttfbTimeout(final Integer ttfbTimeout) {
+    this.ttfbTimeout = ttfbTimeout;
+    return this;
+  }
+
+  public SpecConfigBuilder respTimeout(final Integer respTimeout) {
+    this.respTimeout = respTimeout;
+    return this;
+  }
+
   public SpecConfigBuilder attestationPropagationSlotRange(
       final Integer attestationPropagationSlotRange) {
     this.attestationPropagationSlotRange = attestationPropagationSlotRange;
diff --git a/teku/src/test/java/tech/pegasys/teku/cli/subcommand/RemoteSpecLoaderTest.java b/teku/src/test/java/tech/pegasys/teku/cli/subcommand/RemoteSpecLoaderTest.java
index 5747896cae1..a6818600c2c 100644
--- a/teku/src/test/java/tech/pegasys/teku/cli/subcommand/RemoteSpecLoaderTest.java
+++ b/teku/src/test/java/tech/pegasys/teku/cli/subcommand/RemoteSpecLoaderTest.java
@@ -78,6 +78,8 @@ void shouldDefaultNetworkConfigThatMovedFromConstants() throws IOException {
     assertThat(specConfig.getMaxRequestBlocks()).isEqualTo(1024);
     assertThat(specConfig.getEpochsPerSubnetSubscription()).isEqualTo(256);
     assertThat(specConfig.getMinEpochsForBlockRequests()).isEqualTo(33024);
+    assertThat(specConfig.getTtfbTimeout()).isEqualTo(5);
+    assertThat(specConfig.getRespTimeout()).isEqualTo(10);
     assertThat(specConfig.getAttestationPropagationSlotRange()).isEqualTo(32);
     assertThat(specConfig.getMaximumGossipClockDisparity()).isEqualTo(500);
   }