Zf S542 M/T 3RD & 4TH Synchro Assembly w/blockers . Zf S542 Manual Transmission 3rd & 4th Gear Synchro Assembly Includes Blockers Features and Benefits: ZF S542 Manual Transmission 3rd & 4th Gear Synchro Assembly Includes Blockers Details: AAP UDA 4: 50 Grade Type: Regular Application Summary: 1988-1995 Ford F-Super Duty (Liter: 7.3 & Engine(ci): 445 & Cylinder: 8 & Block: V & Bore(in): 4.11 & Bore(mm): 104.4 & Stroke(in): 4.18 & Stroke(mm): 106.2 & Transmission Code: S5-42 & Transmission Base Gear: 5 & Transmission Control Type: Manual & Drive: 4 X 2 / Note: S5-42 Zf Manual Transmission, 3rd-4th Gear Synchro Assembly With Blockers) 1987-1995 Ford F-250 (Liter: 6.9, 7.3 & Engine(ci): 420, 445 & Cylinder: 8 & Block: V & Bore(in): 4.00, 4.11 & Bore(mm): 101.6, 104.4 & Stroke(in): 4.18 & Stroke(mm): 106.2 & Transmission Code: S5-42 & Transmission Base Gear: 5 & Transmission Control Type: Manual & Drive: 4WD / Note: S5-42 Zf Manual Transmission, 3rd-4th Gear Synchro Assembly With Blockers) 1987-1995 Ford F-350 (Liter: 6.9, 7.3 & Engine(ci): 420, 445 & Cylinder: 8 & Block: V & Bore(in): 4.00, 4.11 & Bore(mm): 101.6, 104.4 & Stroke(in): 4.18 & Stroke(mm): 106.2 & Transmission Code: S5-42 & Transmission Base Gear: 5 & Transmission Control Type: Manual & Drive: 4WD / Note: S5-42 Zf Manual Transmission, 3rd-4th Gear Synchro Assembly With Blockers)