By 1998, Metal feud with Sangre Chicana hadn't ended yet this time in a Lucha De Apuestas at the Rey de Reyes event. Heavy Metal won and Sangre Chicana's hair got shaved off. Heavy Metal then started a feud with masked shoot-style wrestler Kick Boxer. At the Triplemania main event, Heavy Metal faced Kick Boxer but lost the match. At the Verano de Escandalo event, Metal teamed with Blue Demon, Jr. to face Abismo Negro and Kick Boxer in a Steel Cage Match. Heavy Metal and Blue Demon, Jr. defeated Abismo Negro and Kick Boxer. At the Guerra de Titanes event, Heavy Metal would team with Octagón to face Pentagón and Kick Boxer in a Steel Cage Match which they won. In 1999, Metal was still feuding with Kick Boxer. This time Kick Boxer had an ally name Thai Boxer. At the 1999 Rey de Reyes event, Antonio Silva, Carlos Gutierrez, Kick Boxer and Thai Boxer defeated Heavy Metal, La Parka, Jr., Mascara Sagrada, Jr. and Perro Aguayo Jr. in a Steel Cage Match. By the time of Triplemania, Metal's brother El Felino was there to ally Heavy Metal. El Felino and Heavy Metal both feuded with Kick Boxer and Thai Boxer and had a Luchas de Apuestas "Hair vs. Hair" match where Heavy Metal and El Felino defended their dad's hair while Kick Boxer and Thai Boxer defended El Tirante's hair at Triplemania. They won making their opponents referee El Tirantes hair shaved off. At the Verano de Escandalo event, Heavy Metal and Octagón together against Jaque Mate and Kick Boxer in a Steel Cage Match Luchas de Apuestas "loser loses mask or hair" match. Kick Boxer was unmasked due to his loss. After Kick Boxer lost his mask, the rival didn't end just yet. The event Guerra de Titanes, Heavy Metal teamed with Perro Aguayo, Jr. to beat Abidies Irison and Kick Boxer. Thus this finally ended there heated rivalry.