T56 & T45 M/T Synchro Spring Key Kit M/T, 3 & 4, Ts 3.93 . T45/T56 Manual Transmission 3rd & 4th Gear Synchro Spring Key Kit Features and Benefits: T45/T56 Manual Transmission 3rd & 4th Gear Synchro Spring Key Kit Details: AAP UDA 4: 300 Application Summary: 2004-2006 Dodge Ram 1500 (Liter: 8.3 & Engine(cc): 8275 & Engine(ci): 505 & Cylinder: 10 & Block: V & Bore(in): 4.03 & Bore(mm): 102.4 & Stroke(in): 3.96 & Stroke(mm): 100.6 & Transmission Code: T56 & Transmission Base Gear: 6 & Transmission Control Type: Manual & Drive: Rwd / Note: T45/T56 Manual Transmission, 3-4 Synchronizer Key And Spring Kit) 1997-2004 Chevrolet Corvette Base Indianapolis 500 Pace Car Z06 50th Anniversary Edition 50th Anniversary Edition Pace Car (Transmission Base Gear: 6 & Transmission Base Type: Transmission & Transmission Control Type: Manual / Note: T45/T56 Manual Transmission, 3-4 Synchronizer Key And Spring Kit) 2004-2006 Pontiac Gto (Transmission Base Gear: 6 & Transmission Base Type: Transmission & Transmission Control Type: Manual / Note: T45/T56 Manual Transmission, 3-4 Synchronizer Key And Spring Kit) 1996-2001 Ford Mustang Gt Svt Cobra Gt Bullitt (Transmission Code: T-45, T45OD & Transmission Base Gear: 5 & Transmission Control Type: Manual / Note: T45/T56 Manual Transmission, 3-4 Synchronizer Key And Spring Kit)