FITS:*"GM MANUAL" 525 SERIES SAGINAW BOX, WHICH IS THE DOMINANT MANUAL STEERING BOX ON ALMOST ALL GM CARS & FEATURES A 1"-32 SPLINE PITMAN ARM SHAFT*"SMALL GM METRIC POWER" 605 SERIES SAGINAW BOX, WHICH BEGAN BEING USED IN 1978 ON ABOUT 1/2 OF ALL GM CARS; THIS BOX IS DISTINCT FOR ITS ROUND, RING-RETAINED HOUSING COVER & FEATURES A 1"-32 PITMAN ARM SHAFT FITS DRAG LINKS FROM:*1978-88 CHEVY CHEVELLE, EL CAMINO, MALIBU, & MONTE CARLO*1978-87 BUICK CENTURY, LUXUS, REGAL, & SPECIAL (RWD)*1978-88 OLDSMOBILE CUTLASS, F85, VISTA CRUISER, 4-4-2, & CALAIS (RWD)*1978-81 PONTIAC GTO, LEMANS, GRAND AM (EXCEPT 1985-89), GRAND LEMANS, TEMPEST, & T37 100% BRAND NEW PIECES ENGINEERED TO DIRECTLY REPLACE OEM PITMAN ARMS SPECIFIC DIMENSIONS:*MEASURES 6.219" FROM CENTER OF PITMAN SHAFT HOLE TO CENTER OF DRAG LINK HOLE*1"-32 SPLINE PITMAN SHAFT HOLE, COMMONLY REFERRED TO AS "SMALL SPLINE"*DRAG LINK TAPERED HOLE MEASURES .550" MAJOR I.D. & .460" MINOR I.D.
