Quarter Master Mark II Ultra Duty Pro Gear Quick Change Gear Set - #32 HS210020 Holley Regulator

Holley Regulator

12 / 18 Degree Heads

Chevrolet: C20 Suburban 67 - 69 5

Small wheels on the bar let it slide under the car more easily

Precision Jetting

Quarter Master Mark II Ultra Duty Pro Gear Quick Change Gear Set - #32 HS210020 Holley RegulatorOver 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