2001-2007 GM 2500HD/3500HD 4WD / PSC PA806 4 SPLINE XD PITMAN ARM 2001-2007 GM 2500HD/3500HD 4WD The PSC PA806 4 Spline XD Pitman Arm is designed to work with 4 spline sector shaft found in the PSC Steering Box. This 4 spline pitman arm features a cold headed 30mm full ball stud that eliminates binding between... MSRP: Was: Now: $200.00 Add to Cart The item has been added