FastShafts 38-1/2" Long Driveshaft 2-1/4" OD 1310 U-Joints Carbon Fiber - Universal 919400 Inside tang to taper relationship

Inside tang to taper relationship held tightly for repeatable valve spring installed heights

Lightweight aluminum torque ball is hardcoated and then Teflon(R) coated for a "no bind" feel

This produces lower air intake temperatures which results in added horsepower and the ability to add more timing advance with less detonation

1974-1974 GMC G15/G1500 Van

FastShafts 38-1/2" Long Driveshaft 2-1/4" OD 1310 U-Joints Carbon Fiber - Universal 919400 Inside tang to taper relationshipProduct Description: Drive Shaft 38. 5 in Long 2. 25 in OD 1310 U Joints Carbon Fiber Universal Sold Individually FastShafts, a division of Axle Exchange, Inc. has been producing driveshafts and Ford 9" center sections for Late Models, Modified, Stock Car, Dirt Truck and Hobby Stock race cars since 1992. FastShafts first driveshaft line was introduced the next year and as of today, FastShafts offers carbon fiber, steel, aluminum and chromoly