GGAA 66792 Piston Stop Tool for 14mm Spark Plug Hole, Accurate TDC Locator

GGAA 66792 Piston Stop Tool for 14mm Spark Plug Hole, Accurate TDC Locator

• 【Accurate Piston Positioning】Designed for precise engine positioning, this 66792 piston stop tool provides a reliable mechanical stop point to help locate top dead center (TDC). It is ideal for cam indexing, valve lash adjustment, distributor installation, and other engine timing repair tasks requiring accurate piston positioning
• 【14mm Spark Plug Hole Compatibility】This TDC locator is designed to screw directly into a 14mm spark plug opening, providing a secure and stable fit during engine repair. The bolt-style design uses existing spark plug threads without drilling or modifying the cylinder head, making installation simple and convenient
• 【High Quality】This piston stop tool Made from high-strength carbon steel with a zinc-plated finish, Offers excellent hardness, wear resistance, and corrosion protection. The sturdy construction helps maintain reliable performance through repeated use in automotive maintenance and engine rebuilding applications
• 【Wide Application】Package includes 1 × 66792 top dead center locator with stud and joint. Compatible with 14mm spark plug holes, the stud measures approximately 2.52 × 0.39 × 0.39 inches with a 0.37-inch thread diameter. Suitable for cars, motorcycles, ATVs, and other vehicles for engine timing, camshaft alignment, and precision repair work
• 【Simple Bolt-On Installation】To install, simply remove the spark plug and thread the locator into the spark plug hole. When used with the included plate, the bolt can pass through the cylinder bore with the cylinder head closed to create a precise stopping point for piston positioning