Product Description:
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 View