NEW PRODUCT ROUND-UP AT THE NSRA NATS
August 11, 2026
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THE AUTO BUILDER
Featured
PRODUCT SPOTLIGHT: Dieselsite’s 4R100 Transmission Cooler Bypass Delete Kit
DieselSite Launches 4R100 Transmission Cooler Bypass Delete Kit: Transforming Diesel Performance City, State – [Date] – DieselSite revolutionizes transmission cooling with the 4R100 Kit. Eliminating stock bypass valves, it ensures continuous fluid flow for enhanced cooling under heavy loads.
A Tough Act to Follow
Though clutches rank below power-adders on the desirability scale, they are every bit as important. In fact, you’d be better off not spending the time and money on a trick blower or turbo kit if you do not plan on upgrading the stock clutch assembly. Sure, it is possible on some applications to improve the performance of your motor without a clutch and pressure plate upgrade, but you can only take things so far. Eventually, the engine will let you know by racing to the moon when you least expect it. Your clutch will likely slip under full throttle, and most probably at the highest load. Better hope you have a rev limiter or things can really get ugly. But have no fear … Advanced Clutch Technology (ACT) has come up with a variety of effective combinations to cater to the needs of performance enthusiasts and racers.
The Hottest Trucks We Spotted at SEMA 2025
If there’s one thing SEMA delivers every year, it’s jaw-dropping builds—and the hottest trucks at SEMA 2025 didn’t disappoint. From slammed classics to high-flying off-road monsters, each build brought massive personality, insane attention to detail, and a presence that made the show floor buzz. These weren’t just trucks—they were rolling works of art that had enthusiasts stopping in their tracks.
Spotlighter
Axle Conversion: One Less Nut
Swapping Over From Six- to Five-Lug Axles
Author
Josh Kaylor
Photography by Will Smith
The Need for a Lug Conversion
When updating an early truck to five-lug disc brakes up front, the six-lug rear bolt pattern should be changed to match, as this directly affects the wheel selection and fitment for the truck. Many wheel manufacturers offer three times as many five-lug wheels as six-lug. They look better, and the available styles and offsets are generally more accommodating for slammed pickups.
Converting an Old International Truck
We recently converted an old International, a truck we affectionately think of as farm fodder. We updated the truck with a Fat Man Fabrications Mustang II with a five-on-five pattern, but we still needed to match up the rears.
Choosing the Right Parts
We called the folks at Classic Performance Products in Anaheim, California. Since we have a ’65 Chevy frame hiding under our ’47 body, they had just what we needed. The ’64-’65 Chevrolet axle conversion kit comes complete with everything needed to swap your axles to a five-on-five pattern, including a brand-new set of axles, drums, wheel studs, and a rear differential gasket. The kit includes everything to complete the installation except two quarts of gear fluid.
Step-by-Step Guide
In just a few hours and with a 50-pound bag of Oil-Dri, we had the rear completed. Should you face a similar problem, check out the highlights of our swap.
ARTICLE SOURCES
Classic Performance Products, Inc. (CPP)
378 E Orangethorpe Ave.
Placentia CA 92870
Tech Line 714-522-2000
