diff --git a/include/constants/hold_effects.h b/include/constants/hold_effects.h
index f96e7df4d5..9d4089101c 100644
--- a/include/constants/hold_effects.h
+++ b/include/constants/hold_effects.h
@@ -102,12 +102,7 @@
 #define HOLD_EFFECT_GRISEOUS_ORB   96
 #define HOLD_EFFECT_GRACIDEA       97
 #define HOLD_EFFECT_RESIST_BERRY   98
-#define HOLD_EFFECT_POWER_BRACER   99
-#define HOLD_EFFECT_POWER_BELT     100
-#define HOLD_EFFECT_POWER_LENS     101
-#define HOLD_EFFECT_POWER_BAND     102
-#define HOLD_EFFECT_POWER_ANKLET   103
-#define HOLD_EFFECT_POWER_WEIGHT   104
+#define HOLD_EFFECT_EV_BOOST       99
 
 // Gen5 hold effects
 #define HOLD_EFFECT_FLOAT_STONE    115
diff --git a/src/data/items.h b/src/data/items.h
index 1722b329f3..3bd1288118 100644
--- a/src/data/items.h
+++ b/src/data/items.h
@@ -3288,12 +3288,12 @@ const struct Item gItems[] =
         .name = _("Power Bracer"),
         .itemId = ITEM_POWER_BRACER,
         .price = 3000,
-        .holdEffect = HOLD_EFFECT_POWER_BRACER,
+        .holdEffect = HOLD_EFFECT_EV_BOOST,
         .description = sPowerBracerDesc,
         .pocket = POCKET_ITEMS,
         .type = 4,
         .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
-        .secondaryId = 0,
+        .secondaryId = STAT_ATK,
     },
 
     [ITEM_POWER_BELT] =
@@ -3301,12 +3301,12 @@ const struct Item gItems[] =
         .name = _("Power Belt"),
         .itemId = ITEM_POWER_BELT,
         .price = 3000,
-        .holdEffect = HOLD_EFFECT_POWER_BELT,
+        .holdEffect = HOLD_EFFECT_EV_BOOST,
         .description = sPowerBeltDesc,
         .pocket = POCKET_ITEMS,
         .type = 4,
         .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
-        .secondaryId = 0,
+        .secondaryId = STAT_DEF,
     },
 
     [ITEM_POWER_LENS] =
@@ -3314,12 +3314,12 @@ const struct Item gItems[] =
         .name = _("Power Lens"),
         .itemId = ITEM_POWER_LENS,
         .price = 3000,
-        .holdEffect = HOLD_EFFECT_POWER_LENS,
+        .holdEffect = HOLD_EFFECT_EV_BOOST,
         .description = sPowerLensDesc,
         .pocket = POCKET_ITEMS,
         .type = 4,
         .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
-        .secondaryId = 0,
+        .secondaryId = STAT_SPATK,
     },
 
     [ITEM_POWER_BAND] =
@@ -3327,12 +3327,12 @@ const struct Item gItems[] =
         .name = _("Power Band"),
         .itemId = ITEM_POWER_BAND,
         .price = 3000,
-        .holdEffect = HOLD_EFFECT_POWER_BAND,
+        .holdEffect = HOLD_EFFECT_EV_BOOST,
         .description = sPowerBandDesc,
         .pocket = POCKET_ITEMS,
         .type = 4,
         .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
-        .secondaryId = 0,
+        .secondaryId = STAT_SPDEF,
     },
 
     [ITEM_POWER_ANKLET] =
@@ -3340,12 +3340,12 @@ const struct Item gItems[] =
         .name = _("Power Anklet"),
         .itemId = ITEM_POWER_ANKLET,
         .price = 3000,
-        .holdEffect = HOLD_EFFECT_POWER_ANKLET,
+        .holdEffect = HOLD_EFFECT_EV_BOOST,
         .description = sPowerAnkletDesc,
         .pocket = POCKET_ITEMS,
         .type = 4,
         .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
-        .secondaryId = 0,
+        .secondaryId = STAT_SPEED,
     },
 
     [ITEM_POWER_WEIGHT] =
@@ -3353,12 +3353,12 @@ const struct Item gItems[] =
         .name = _("Power Weight"),
         .itemId = ITEM_POWER_WEIGHT,
         .price = 3000,
-        .holdEffect = HOLD_EFFECT_POWER_WEIGHT,
+        .holdEffect = HOLD_EFFECT_EV_BOOST,
         .description = sPowerWeightDesc,
         .pocket = POCKET_ITEMS,
         .type = 4,
         .fieldUseFunc = ItemUseOutOfBattle_CannotUse,
-        .secondaryId = 0,
+        .secondaryId = STAT_HP,
     },
 
     [ITEM_SEA_INCENSE] =