Product Description Specifications Documentation Pinion for P7 gearboxes with a first stage of 4:1 ready to machine for shaft. Pinion is spot drilled to ease machining.Pinion is an interference/press fit. For P7 Gearbox 1st Stage: 4:1 Bore: Machinable Max Bore: 0.315in (8mm) Length: 0.47in Installation: Machinable Number Teeth: 16 Gear Specs: 0.7Mod, 20PA Gear Material: Cold Rolled Steel Click arrow in center of image to load and interact with it Your browser does not support iframes.