JP Timing Gear Set - Metric Pitch (JP5954)T GEAR SET METRIC PITCH HOL6 Suit Holden 6 cylinder EH HZ, VB VK. Part Number: JP5954 Metric pitch is recommended for all applications as this is a stronger gear set. The metric pitch has a larger tooth root diameter which improves load capacity and gear life. All sets include cam gear, crank gear and thrust plate. It is important to fit as a matched kit to ensure correct gear mesh. JP Engineering Products make a range of timing gears in Aluminium and