Sprocket, Timing Chain Idler Assembly, for 90~95 ZR-1 LT5. One (1) Sprocket assembly is required per engine.

Consists of the following Timing Chain Idler parts;

• Sprocket
• Bearing
• Shaft
• Retainer
• Screw

NOTE: This is a USED, GM OEM part. Customer should assume that bearings may need to be replaced.  We have inspected the sprockets and other components visible without dissassembly.  Accordingly, we will stand behind our inspection that this part is serviceable, less & except for the bearings.