Bert Band 2nd Generation MAC-XC 1979-1981 GMC K1500 Suburban

1979-1981 GMC K1500 Suburban

Thread Chaser

but with some added features to make it more aerodynamically stable

allows quick change gear changes to happen even faster

Bert Band 2nd Generation MAC-XC 1979-1981 GMC K1500 SuburbanProduct Description: Transmission Flex Band Clutch Band Bert Second Generation Transmissions Sold Individually Thousands of races have been have been won with Bert Transmissions. Bert Transmissions feature dog tooth final drive for butter smooth shifts and positive engagement. By significantly reducing drive line bind, the Bert Ballspline Transmission allows the rear suspension to move faster and smoother, greatly improving traction on todayas dry,