These Good for a heavy ported saw or the jumbo jim. really bring the 372xp up to the plate. Some pep to your step. you do have to adjust your carb take the limiters out by pressing them down and unscrewing the jets. get a tachometer to help tune
These Good for a heavy ported saw or the jumbo jim. really bring the 372xp up to the plate. Some pep to your step. you do have to adjust your carb take the limiters out by pressing them down and unscrewing the jets. get a tachometer to help tune
