Quarter Master Mark II Ultra Duty Pro Gear Quick Change Gear Set - #32 HS210220 They feature a diaphragm made

They feature a diaphragm made of fluorosilicone for extended life and high temperature protection

1974-1979 Chevrolet El Camino

this dual-plane intake is designed for the engine swap market utilizing 1985 & later Chevy 200-229-262 c

1963-1976 Mercury Comet

To manufacture the valves we use special aerospace quality alloys

Quarter Master Mark II Ultra Duty Pro Gear Quick Change Gear Set - #32 HS210220 They feature a diaphragm madeOver 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