Stanley Replacement Tractor Muffler is 320, 330 & 420 (Gas) s/n 135025 & up. 430 & 440 (Gas), 435 (Diesel) (s/n 442886 & up)-(1957-1959). 1010 (Gas) (all types with vertical exhaust).
- Inlet Length: 2-1/4″
- Inlet ID: 2″
- Shell Length: 12-1/4″
- Outlet Length: 3″
- Outlet OD: 2″
- Overall Length: 17-1/2″
