Bert Output Shaft Tube SF52213 Progressive compression rate (Increases as

Progressive compression rate (Increases as compressed)

compact EFI regulator

1966-1985 Mercury Capri

2002-2005 Mercury Mountaineer

Bert Output Shaft Tube SF52213 Progressive compression rate (Increases asProduct Description: Output Shaft Tube Steel Natural Bert Ball Spline Tailshaft Housings 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, slick