A Part Turn Electric Actuator (PEA) is a type of electric actuator that is commonly used in the automotive industry to perform part-turning operations. It is designed to rotate a part (such as a camshaft) within a camshaft assembly to perform repairs or modifications.

PEA's are typically used in conjunction with a camshaft adjuster, which is a device that is used to adjust the timing of the camshaft in a vehicle's engine. The camshaft adjuster uses PEA's to rotate the camshaft, which in turn adjusts the timing of the engine's valves to improve performance and emissions.

There are several types of PEA's, including:

Simple turn PEA: This type of PEA is used to rotate a single camshaft lobe for repairs or modifications.

Compound turn PEA: This type of PEA is used to rotate two camshaft lobes at the same time for more complex repairs or modifications.

Integral turn PEA: This type of PEA is designed to rotate a camshaft assembly, including the camshaft and the camshaft adjuster.

PEA's operate by using an electric motor to drive a pinion gear, which in turn meshes with a ring gear on the camshaft. This causes the camshaft to rotate, which in turn adjusts the timing of the engine's valves.

PEA's are used in a variety of automotive applications, including camshaft adjustments, emissions repairs, and performance modifications. They are reliable, durable, and efficient, making them an ideal choice for automotive mechanics and technicians.