Suitable for 1997~2013 Corvette LS1/LS6/LS2/LS3. Suitable for 2008~2009 G8 LS3. Type: Harmonic Balancer Bolt. 1 x Harmonic Balancer Bolt. Suitable for Chevrolet Gen III/IV Small Block 4.8L / 5.3L / 5.7L / 6.0L / 6.2L Engines.