diff --git a/cub/device/dispatch/dispatch_select_if.cuh b/cub/device/dispatch/dispatch_select_if.cuh
index 4c2256c72..e7a4f1aa8 100644
--- a/cub/device/dispatch/dispatch_select_if.cuh
+++ b/cub/device/dispatch/dispatch_select_if.cuh
@@ -345,12 +345,12 @@ struct sm90_tuning<Input, false, true, 4, true, 1>
 template <class Input>
 struct sm90_tuning<Input, false, true, 4, true, 2>
 {
-    static constexpr int threads = 384;
-    static constexpr int items = 20;
+    static constexpr int threads = 320;
+    static constexpr int items = 14;
 
     static constexpr BlockLoadAlgorithm load_algorithm = BLOCK_LOAD_DIRECT;
 
-    using delay_constructor = detail::exponential_backon_jitter_window_constructor_t<1180, 715>;
+    using delay_constructor = detail::fixed_delay_constructor_t<500, 560>;
 };
 
 template <class Input>