Tremec T56 Countershaft (Cluster Gear).  Fits 94+ LT1 & LS1 Camaro & Firebird, 03-04 Cobra, early Viper (this is a 2pc design) and Corvette T56 Transmissions (with 2.66 first gear ratio.)  C18 on the T56 Transmission Disassembled...

Tremec T56 1st Speed Gear, 2.66 Low, 94-2002 Camaro / Firebird, #A19 on the T56 Transmission Disassembled View  

Tremec T56 5th Speed Gear, 2.66 Low Gear 94-02 Camaro/Firebird, 58 Tooth. #C5 on the T56 Transmission Disassembled View  

Tremec T56 Mainshaft Reverse Gear,  35 teeth. #A9 on the T56 Transmission Disassembled View  

Tremec T56 6th Speed Gear, 2.97/3.36 Low Gear 93-94 Camaro/Firebird. #C13 on the T56 Transmission Disassembled View  

Tremec T56 2nd Speed Gear, 2.66 Low Gear, 94-2002 Camaro/Firebird, A28 on the T56 Transmission Disassembled View.

Tremec T56 6th Speed Gear, 2.66 Low Gear 94-02 Camaro/Firebird. #C13 on the T56 Transmission Disassembled View  

Tremec T56 3rd Speed Gear for F-Body, Viper & Cobra T56 Transmissions. 37 teeth. #A31 on the T56 Transmission Disassembled View.  

Tremec T56 5th/6th Gear Countershaft Extension, 94-02 Camaro / Firebird. #C4 on the T56 Transmission Disassembled View. Fits: Camaro / Firebird T56 1993 - 2002 Viper T56 1992 - up with 2 piece cluster 2003 - 2004 Cobra  

Tremec T56 Countershaft Cluster Gear New Aftermarket.  Fits 94+ LT1 & LS1 Camaro & Firebird, 03-04 Cobra, early Viper (this is a 2pc design) and Corvette T56 Transmissions (with 2.66 first gear ratio.)  C18 on the T56 Transmission...

Aftermarket T56 5th Speed Gear, 2.66 Low Gear 94-02 Camaro/Firebird, 58 Tooth. #C5 on the T56 Transmission Disassembled View  

T56 6th Speed Gear, Aftermarket, 2.66 Low Gear 94-02 Camaro/Firebird, #C13. #C13 on the T56 Transmission Disassembled View