Bolt, M8 x 100. Applications as follows;

• Lower Crankcase to Engine Block, for 90~95 ZR-1, LT5. Sold individually. Two (2) are required per engine.
• Cam Timing Chain Idler Sprocket to Engine Block, for 90~95 ZR-1, LT5. Sold individually. Three (3) are required per engine.

NOTE: This is a USED, GM OEM part.