MGM Brakes 3531851X 3531851X / TR3030TS S-Cam Brakes (Drum) Double Diaphragm - Std Stroke - Parking Brakes

amper Resistant Design. Molded Nitrile Rubber Push-Rod Air Seal. Center Hole Shield. Externally Stored Release Bolt. Epoxy-Coated Head, Non-Pressure Chamber and Lower Push-Rod Assembly. Epoxy Coated Return Spring. 360 Aluminum Center Case. Weatherseal Plug. Heavy-Duty Steel Non-Pressure Chamber (8-Gauge Standard on Type 3030 & 3036 Aftermarket Models) (6-Gauge Standard on Type 36 Models). Stroke 2.50" (63.5 mm). Weight lb (kg) Combination 19.4 lb (8.8 kg). Weight lb (kg) Single N/A. A:= 9.04" (229.6 mm). B= 6.71" (170.4 mm). C= 8.32" (211.3 mm). D =8.21" (208.5 mm). E= 4.75" (120.7 mm). F = 5/8" - 11 UNC. G = 5/8" - 18 UNF. Inlets 3/8" - 18 NPTF. X - Min. (aftermarket unit only) 8.00" (203.2 mm)