TOP 10 FLYWHEEL LOCKS REVIEWS
Find the perfect flywheel lock or holding tool for your engine repair, timing, and maintenance needs. Tools for VW, Duramax, LS engines, and more.
A flywheel lock, also known as a flywheel holding tool or flexplate lock, is an essential tool for any serious mechanic or DIY enthusiast working on engine maintenance and repair. These specialized tools are designed to securely hold the engine's flywheel or flexplate in place, preventing rotation while you perform critical tasks like tightening harmonic balancer bolts, removing clutch assemblies, or setting engine timing.
Using the correct flywheel locking tool ensures precision and safety, especially when dealing with high torque specifications. Whether you are working on a classic VW, a modern Duramax diesel, or an LS engine swap, having the right tool for the job makes all the difference. Explore our curated selection of the best flywheel locks available, compatible with a wide range of vehicle makes and engine types.
Universal
E-cowlboy
Chelhead
2801
Lisle
ECSiNG
Flywheel
Flywheel
LS
3mirrors
A flywheel lock (or flexplate holder) is used to prevent the engine's crankshaft from rotating. This is necessary when applying high torque to components like the harmonic balancer bolt, flywheel bolts, clutch pressure plate bolts, or when setting precise engine timing.
While some amateur mechanics may attempt to jam a screwdriver or pry bar into the ring gear teeth, this is strongly discouraged. It can damage the teeth, bend the screwdriver, or cause serious injury if the makeshift lock slips under high torque. A dedicated flywheel lock tool is the safest and most effective option.
No. A timing pin is a precision tool used to align the crankshaft to a specific top dead center (TDC) position for timing belt or chain replacement. A flywheel lock is a holding tool used to prevent rotation during high-torque tightening or loosening procedures.
Whether you are performing a clutch replacement, an engine swap, or critical timing work, a dedicated flywheel locking tool is indispensable for safety and precision. Review our top selections, ensuring you choose the correct tool compatible with your specific engine model, and take the guesswork out of high-torque engine repair. Click through to secure the right flywheel lock for your next project today!