M/T Synchro Ring 88-00 & Mazda Ranger 1ST Through 4TH Blockers, 42 Tooth . 1988-2000 Ford Ranger Mazda 1st, 2nd, 3rd, & 4th Gear Blockers Synchro Ring 42-Tooth 1988-2000 Ranger & Explorer M5R1 1st, 2nd, 3rd, & 4th Gear Blockers Synchro Ring 1988-1991 F150 M5R2 5th Gear Blocker Features and Benefits: 1988-2000 Ford Ranger Mazda 1st, 2nd, 3rd, & 4th Gear Blockers Synchro Ring 42-Tooth 1988-2000 Ranger & Explorer M5R1 1st, 2nd, 3rd, & 4th Gear Blockers Synchro Ring 1988-1991 F150 M5R2 5th Gear Blocker Details: AAP UDA 4: 150 Grade Type: Regular Application Summary: 2001-2003 Ford Explorer Sport (1st, 2nd, 3rd and 4th) (Transmission Code: M50D, R1, M5R1, R1HD & Transmission Base Gear: 5 & Transmission Control Type: Manual) 2001-2003 Ford Explorer Sport Trac (1st, 2nd, 3rd and 4th) (Transmission Code: M50D, R1HD, M5R1 & Transmission Base Gear: 5 & Transmission Control Type: Manual) 1984-1990 Ford Bronco Ii (3rd and 4th, 1st, 2nd) (Transmission Code: R1 & Transmission Base Gear: 5 & Transmission Control Type: Manual) 1988-1989 Ford E-150 Econoline (5th) (Transmission Code: M5R2 & Transmission Base Gear: 5 & Transmission Control Type: Manual) 1991-2001 Ford Explorer (1st, 2nd, 3rd and 4th) (Transmission Code: R1, M50D & Transmission Base Gear: 5 & Transmission Control Type: Manual) 1988-2008 Ford F-150 (5th) (Transmission Code: M5R2, R2, M50D, M50D-R2 & Transmission Base Gear: 5 & Transmission Control Type: Manual) 1988-1999 Ford F-250 (5th) (Transmission Code: M5R2, R2 & Transmission Base Gear: 5 & Transmission Control Type: Manual) 1988-2011 Ford Ranger (1st, 2nd, 3rd and 4th) (Transmission Code: M5R1, R1, M50D, R1HD, M5R1HD & Transmission Base Gear: 5 & Transmission Control Type: Manual) 1991-1994 Mazda Navajo (1st, 2nd, 3rd and 4th) (Transmission Code: M5R1 & Transmission Base Gear: 5 & Transmission Control Type: Manual) 1994-1997 Mazda B2300 (3rd and 4th, 1st, 2nd) (Transmission Code: M5R1 & Transmission Base Gear: 5 & Transmission Control Type: Manual) 1994-2000 Mazda B3000 (3rd and 4th, 1st, 2nd) (Transmission Code: M5R1 & Transmission Base Gear: 5 & Transmission Control Type: Manual) 1994-2009 Mazda B4000 (3rd and 4th, 2nd, 1st) (Transmission Code: M5R1, M5R1HD & Transmission Base Gear: 5 & Transmission Control Type: Manual)