SCS Professional Series Quick Change Gear Set - 6 Spline - Set 616 - 4.11 Ratio 2.53 / 6.68 - 4.33 Ratio 2.66 / 7.04 21411407 3" diameter carburetor flange

3" diameter carburetor flange

Holley's new 1000 CFM Throttle Body shares the same air entry area design that powers every NASCAR Cup Seriescar

3/4 in 30 Spline

These replacement flares are made with our durable “Hi-Impact” plastic material

sequential mode

SCS Professional Series Quick Change Gear Set - 6 Spline - Set 616 - 4.11 Ratio 2.53 / 6.68 - 4.33 Ratio 2.66 / 7.04 21411407 3" diameter carburetor flangeManufactured from 9310 aircraft alloy for maximum strength, 6 spline quick change gears are crown hobbed, broached for 6 spline shaft fit, and black oxide finished for corrosion protection. Gears undergo a five step heat treating process to deliver maximum durability. Since 1979, SCS Gearbox, Inc. has been listening to it's customers! When SCS Gearbox first started manufacturing, it was to meet the needs of tractor pullers to provide specialized