ProForged Greasable Front Upper Ball Joint - Bolt-In - GM Fullsize SUV / Truck / Van 1971-72 CC-OFF-EXT They feature a one piece

They feature a one piece design for easy installation (See application chart for exact fitment)

even if you're working on ice (not that were sold on this idea cause it's damn cold)

Designed for any high-performance street performance

1067 Pulse Cranking amps

Open Center Port

ProForged Greasable Front Upper Ball Joint - Bolt-In - GM Fullsize SUV / Truck / Van 1971-72 CC-OFF-EXT They feature a one pieceProduct Description: Ball Joint Greasable Upper Front Bolt In Hardware Included GM Fullsize SUV Truck Van 1971 72 Sold Individually ProForged new products are designed using the latest CAD programs and prototypes are validated through hardness testing, microstructure analysis, surface finish examination, and roundness testing. We ensure application suitability through extensive tensile and elasticity strength testing, stud pullout testing, stud impact