Author name: kayla@restomod.co.za

Driver 204 – Brendan Sadler For Brendan Sadler, the passion for motorsport started at just eight years old. In April 2017, Brendan climbed behind the wheel of a go-kart for the first time at Mahem Raceway. What began as a young boy’s love for speed quickly developed into a serious passion for racing. Weekend after

Driver 24 – Eric Sadler Every race car has a story. For Eric Sadler, his started in 2021 with a used Mk1 Volkswagen Golf purchased from a local racer at Mahem Raceway. At the time, the Golf was a Stock Rod. Eric, however, had much bigger plans. Together with his dad, Bennie, owner of Bensa

A serious performance build is rarely just one purchase. You start with the camshaft. Then come the valve springs, retainers, forged valves and lifters. Before long, you’ve got a complete list of components and a sizeable investment sitting in your cart. At STK Performance, we understand that getting the right parts shouldn’t mean putting your

At STK Performance, some of our strongest relationships have been built over years of shared passion for performance, engineering and motorsport. One of those relationships is with the team behind 8V Performance and Kreetec — brothers Sarel and Gerhard Eloff. Recently, we had the opportunity to visit the 8V Performance workshop while we were up

In the performance automotive world, having access to the right components can make all the difference. For workshops, engine builders, performance retailers and race teams, the challenge isn’t simply finding quality parts. It’s finding a reliable supplier, maintaining healthy margins and being able to give customers access to components that are designed for serious performance.

A performance camshaft is one of the most effective upgrades you can make to an engine. Whether you’re building a responsive street car, a powerful weekend toy, or a dedicated competition vehicle, a camshaft upgrade can unlock significant performance gains by improving airflow and optimizing the engine’s power delivery. However, a camshaft is only one

When building a performance engine, the camshaft is one of the most important components in the entire setup. It determines how your engine breathes, where it makes power, how aggressive it sounds, and whether the car feels enjoyable on the street or only comes alive at high RPM. At STK Performance, the camshaft range is

When building a turbo Opel Corsa 8-valve engine, one of the biggest restrictions in the setup is often the factory camshaft. While the standard cam profile is designed for smooth daily driving, fuel economy, and reliability, it quickly becomes a limitation once boost, airflow, and performance upgrades are introduced. That’s where the STK Opel Corsa

When building or upgrading a high-performance Ford Duratec engine, one of the most critical yet often overlooked components is the valvetrain—specifically, the valve springs. The STK Single Valve Spring Kit for Ford ST150/170 is designed to handle the increased demands of modified engines, ensuring reliability, stability, and performance at high RPM. Product Overview The STK

When building or upgrading a performance engine—especially something like a Mazda MPS—most people focus on the obvious: bigger turbos, aggressive tuning, and upgraded fueling. But one of the most critical components is often overlooked: the valvetrain. More specifically, the valve springs. The STK Performance Single Valve Spring Kit for Mazda MPS is designed to solve