Fits for Viking model: MB 443.1 MB 443.1 T MB 448.1 T MB 448.1 TC MB 448.1 TX MB 448.1 VC
Fits for Stihl models: Stihl RM448, RM443, RM253
Fit for the following Briggs Stratton engines: Series 550 EX OHV RS, 625 E OHV RS, 575 EX OHV RS, 475
Package include: 1 x air filter + 1 x spark plug