ProForged Greasable Ball Joint Lower Bolt-In GM Fullsize Passenger Car 1955-70 - Each Shoulder Support It features a 4500 series

It features a 4500 series carb flange

All pads are boxed per axle set

eliminates fuel starvation & provides consistent air/fuel ratios

C4-R5 Valve

ProForged Greasable Ball Joint Lower Bolt-In GM Fullsize Passenger Car 1955-70 - Each Shoulder Support It features a 4500 seriesProduct Description: Ball Joint Greasable Lower Bolt In Hardware Included Chevy Corvette 1963 82 GM B Body 1958 70 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