Upgrade Your 2.0 16V the Right Way If you’re building or refreshing a VW ABF 2.0 16V motor, the valvetrain is not the place to cut corners. Whether you’re running hotter cams, increasing compression, or planning forced induction, the Dual Valve Spring & Valve Kit for VW ABF is engineered to eliminate one of […]
Dual Valve Spring & Valve Kit – VW ABF Read Post »
When building a serious Volkswagen or Audi 1.8T 20V engine, most enthusiasts focus on turbo size, injectors, intercoolers, and tuning. But one of the most critical components in any high-performance setup sits inside the cylinder head: the valve springs. The Racing Valve Spring Kit for the 1.8T 20V is not just another upgrade — it’s
Unleash the Full Potential of Your 1.8T 20V with a Proper Valvetrain Upgrade Read Post »
When building a performance-focused Volkswagen 8-valve engine, your valvetrain setup can make or break the build. Whether you’re chasing higher RPM, running an aggressive cam, or building a boosted setup, upgrading your valve springs is essential. The STK Performance Dual Racing Valve Spring Kit for VW 8v engines is designed to deliver the control, strength,
STK Performance Dual Racing Valve Spring Kit VW 8v – Ultimate Valvetrain Upgrade Read Post »
When building a BMW M20 engine — whether for spirited street driving, high-revving track use, or a full race application — the valvetrain is one of the most critical areas to address. The STK Racing Valve Spring Kit (7mm) is designed to significantly improve valve control compared to stock springs, especially at higher RPM. Understanding
When modifying or rebuilding a Toyota 4A-GE 20V engine, most enthusiasts focus on cams, intake systems, and engine management. One component that often gets overlooked is the valve spring. Yet valve springs play a critical role in how reliably and efficiently your engine performs—especially at high RPM. Understanding the difference between OEM valve springs and
OEM vs STK Racing Single Valve Spring Kit – Toyota 4AGE 20V Read Post »
Introduction Valve springs are one of the most critical components in any engine, directly affecting airflow, RPM capability, and long-term reliability. On Nissan’s classic A-series engines — the A14 and A15 — the factory (OEM) valve springs were designed for low to moderate RPM daily driving. They were never intended for high-performance use. As soon
OEM vs STK Dual Racing Valve Spring Kit – Nissan A14/A15 Read Post »
BMW M52 owners modify their engines for one reason: the platform rewards it. Whether the goal is sharper throttle response, more power at redline, or a reliable boosted setup, the M52 is capable — but only if the valve train can maintain control at high speed and high load. The STK Racing Dual Valve Spring
STK Racing Dual Valve Springs for BMW M52 — Built for High RPM and Boosted Pressure Read Post »
For years, a common misconception has circulated in the tuning world: “Camshafts don’t make a difference on turbocharged engines.” At STK Performance, we’ve proven that statement wrong. With the release of our 252/262H camshaft set, we’ve shown clear, measurable gains backed by dyno results – not theory. Why Turbo Engines Benefit from Cams Turbocharged engines already force more
Turbo Camshaft Upgrades – Why They Work Read Post »
Bring your classic VW 8-valve to life with a valvetrain package engineered as a system. STK Performance offers VW 8v camshaft kits in both hydraulic and solid lifter configurations—paired with forged performance valves, racing valve spring kits, and chromoly retainers. Choose a complete, drop-in bundle or mix-and-match individual component kits to build exactly what your engine and goals demand. Why upgrade the
STK Performance VW 8v Hydraulic & Solid Lifter Camshaft Kits Read Post »
The Ford Kent engine—a legendary powerplant found in everything from classic Escorts and Capris to Formula Ford race cars—has earned a reputation for being robust, tuneable, and high-revving. For enthusiasts looking to push this engine further, upgrading the valve train is essential. One of the most critical components in that process is the valve spring,
STK Performance Dual Valve Springs for Ford Kent Engines Read Post »
