ProForged Greasable Front Upper Ball Joint - Bolt-In - GM Fullsize SUV / Truck / Van 1971-72 Heat Mat Includes installed +10 psi higher

Includes installed +10 psi higher pressure relief spring and optional -10 psi relief spring

which is the main reason for premature battery failure

Quarter Stick / Billet / Plus Shift Handles

2:1 improvement over "points" in current fall time for increased coil output

Uses 4 AA batteries (not included)

ProForged Greasable Front Upper Ball Joint - Bolt-In - GM Fullsize SUV / Truck / Van 1971-72 Heat Mat Includes installed +10 psi higherProduct 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