On September 9, 1986, the station changed its call sign to KSSR; on April 9, 1989, to KGSR; and on December 9, 2009, to the current KLZT.

Long-time program director (and at that time, content coordinator) Jody Denberg was on-air from 1-6 p.m., and long-time KLBJ-FM music director and air personality Loris Lowe holds the 6 p.m.-midnight shift (as well as being the voice of the station's imaging and between song sweepers).

On November 17, 2009, KDHT began stunting, leading to speculation that it would flip to Talk, but on November 20, 2009, Emmis revealed that KGSR would move over to the 93.3 frequency to start a 10-day simulcast until December 1, when KGSR's former 107.1 FM signal takes a Regional Mexican format as KLZT.

[5] On January 18, 2022, K274AX changed its format from rhythmic adult contemporary as "The Vibe 102.7" to Spanish CHR as "Mega 102.7".

KLZT-HD2 has since been silent as the translator parent station has moved back to KBPA-HD2[7] On August 30, 2024, KLZT-HD2 returned to the air with a Spanish CHR format, branded as "Latino 97.1" (simulcast on K246BD 97.1 FM Austin).