ROCKER BOX O-RING, S&S DIE-CAST, 1984-2017 90-4079 FAMILY_XL1200 - Includes dB Reducer sound

- Includes dB Reducer sound insert

Applications for most Harley-Davidson® models from 2001 to current

FXBBS Street Bob 114 (2021-2023)

FLHTCUSE4 CVO Ultra Classic Electra Glide (2014)

ROCKER BOX O-RING, S&S DIE-CAST, 1984-2017 90-4079 FAMILY_XL1200 - Includes dB Reducer soundS&S CYCLE90 4079 Rocker Box center O Ring for S&S die cast rocker boxes as used on 1984 1999 V Series and 1999 2017 T Series engines. Sold each, one required per rocker box. Part Number : 90 4079 90 4079 Rocker Box center O Ring for S&S die cast rocker boxes as used on 1984 1999 V Series and 1999 2017 T Series engines. Sold each, one required per rocker box. **** PLEASE NOTE ***** : 90 4079 These are performance and custom aftermarket products sourced