SPRAG ASSEMBLY COMPLETE HELICOPTER FORM
The Form Sprag, better known as the helicopter sprag, has been making laps in the highest of horsepower drag cars for years. It got its name from the military helicopters it also services. This sprag works in CS1, CS2, CS3, CS4 and Street Strip Lenco transmissions in a variety of applications from drag cars to boats to mud and dirt drags to grocery getters.