SCS Professional Series Quick Change Gear Set - 6 Spline - Set 68 - 4.11 Ratio 2.94 / 5.75 - 4.33 Ratio 3.09 / 6.06 NPT to Hose Barb Fittings Expand your two-person STX STEREO

Expand your two-person STX STEREO intercom system to 4 persons with this Helmet Kit expansion pack

640 in Rectangle Port

MID-LENGTH tube headers fit factory-equipped 5

1965-1966 American Motors Classic

Keith Dorton

SCS Professional Series Quick Change Gear Set - 6 Spline - Set 68 - 4.11 Ratio 2.94 / 5.75 - 4.33 Ratio 3.09 / 6.06 NPT to Hose Barb Fittings Expand your two-person STX STEREOManufactured 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