Quarter Master Mark II Ultra Duty Pro Gear Quick Change Gear Set - # 1Q Landrum Performance Springs 73% compared to competitors 8

73% compared to competitors 8 layer at 2

Black Anodized / Tumble Polished

Grooving Tool

engineered to handle gas and alcohol

Quarter Master Mark II Ultra Duty Pro Gear Quick Change Gear Set - # 1Q Landrum Performance Springs 73% compared to competitors 8Over sixty years of gear manufacturing "know how" was designed into our Quarter Master Pro Gears. We start by using the highest quality E9310 aircraft steel. Then we precision hob them to AGMA Class B Tolerances to produce a true involute tooth form for a high contact ratio. We finish them with a proprietary heat treat process and hand roll test and inspect them, giving you results on the track that can't be beat. These quick change gears are