Genuine GM Camshaft bolt 11561283 for Single Bolt LS Gen 4, Non-VVT 

• Single-Use bolt, recommended to be replaced after removal

• Chevrolet Performance Cam Timing Sprocket Bolt

• 16mm x 1.5 thread

• 24mm Hex head

• 70mm Under head Length

• 60mm Thread Length

• NOT for VVT Applications (see part #12682000 for Gen 4 VVT bolt)