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Stage 8 Locking Harmonic Balancer Bolts are easy to use and they are real assurance against increased torsional vibration and costly crankshaft damage created by loose harmonic balancers. This unique patented and trademarked functional design is just four pieces: a grooved bolt (Grade 8 Steel), a retaining washer, a locking retainer, and a snap ring. The Locking Harmonic Balancer Bolt Kits are available for most engines include a patented, grooved bolt (size depending on application), a retaining washer, a locking retainer and a snap ring.
