Stanley Part Number Tractor Application & Description Inlet Length (A) Inlet I.D. (B) Shell Length (C) Outlet Length (D) Outlet O.D. (E) O/A Length (F) Wgt in LBS
4,1/2 B.Plate 14,1/2 5 2,1/4 24,1/2 5
DR-4

RC-2

Model B, BN, & BW (Gas & all fuel) s/n B96000 & up). Model 50, 520 (standard muffler) & 530 (optional muffler) (1953-1959). Application note: DR-4 has a 4-bolt mounting plate. Manifold pipe DRE-2 is available from Stanley.