S&S, steel breather valve spacer .130" - L77-99 B.T. (excl. Twin Cam) (NU); 36-99 S&S style cams (NU) 518093 Past op: 1993 - 2013

Past op: 1993 - 2013 batwings

rear 1-3/4" (4

This is the Powerglide with a failsafe solid bronze alloy bushing instead of a regular roller bearing

way back when

Mount stud and shoe cams are installed

S&S, steel breather valve spacer .130" - L77-99 B.T. (excl. Twin Cam) (NU); 36-99 S&S style cams (NU) 518093 Past op: 1993 - 2013Steel breather valve thrust washer for use with steel beather valves. These spacers fit all S&S breather valves and are identical to L77 99 OEM style (large hole) replacement spacers. Used to set correct end play. Note: Steel breathers require steel breather valve spacers. Plastic breathers require plastic spacers. Do not intermix steel and plastic parts.