10-4 Magazine / April 2026 13 LS engines, and has a 1969 Chevy Nova, a 1957 Chevy Corvette, and others. He rebuilds engines for other people, too, and enjoys traveling with his wife, spending time with his daughter, and playing with sand toys. Jefrie (34) is not a full-time employee at Jemsal, he is a shop teacher at a local community college. He has been married to his wife Jacky for ten years, and they have a daughter named Rosemary (3). Jefrie is in charge of all the fabrication on the race truck, he handles the media, and he fills the “icebox” before each race. He has a 1965 Chevy El Camino, which he has raced at TFK, and also enjoys video games and 3D printing. Although he is not a full-time employee at Jemsal, he is a part owner of the company and very involved in the race team. As mentioned previously, Jemsal specializes in vintage truck parts, mostly for Peterbilts and Kenworths, but they also do full truck builds (nothing too fancy, mostly just making nice, road-worthy work trucks, with their specialty being budget builds). They also build their own older trucks – like Peterbilt 359s – and then sell them. They do all the fabrication, mechanical work, paint, accessories, everything. Most of what they do revolves around retro styles and west coast vibes. They prefer vintage/original to crazy custom – but they will do whatever the customer wants. They can also re-power or reconfigure older trucks to a newer chassis or newer drivetrains for comfort and reliability. Located next to Caliva’s Polishing on Bluff Road in Montebello, CA for the last eight years, feel free to stop by and say “hello” or to check out their latest projects – you won’t regret it! Oscar always liked speed. In his younger years, he even did a lot of street racing, until he got into a bad wreck. But this fueled his passion to one day drag race. After that first TFK and seeing big trucks drag racing, all the brothers were hooked. When they won their first World Championship in 2023, beating out Oscar’s mentor Wayne Talkington, that was a real high point in their lives. But more than anything, the brothers love doing it all together. They love inspiring the next generation of truckers and racers, because they remember when they were that little kid. This brings them a lot of joy. The race truck is family – it is not any one of them, it’s all of them. And following in their father’s footsteps and legacy also makes them proud. All the boys not only attend their dad’s little church in South Central Los Angeles, but they help run it, too. Dad always wanted a cool old Cadillac, so three years ago, Henry found a yellow 1959 Cadillac, bought it, and gave it to their dad for Father’s Day – and he loves that thing. All stock with a 390 Cadillac engine, dad still works on it and drives it all the time. The brother’s parents, Oscar and Berta, have been married for 46 years. We got to see dad and his Cadillac when we went to their yard and took the pictures for this feature. And yes, you see it correctly, we were out there on Bluff Road, in the heart of Los Angeles, doing burnouts in the middle of the street! Coming from a strong Christian Evangelical household, the brothers first and foremost want to thank God and Jesus Christ for His blessings
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