An often overlooked part of an engine is the harmonic balancer, according to Stage 8 Locking Fasteners. When the outer ring of a harmonic balancer slips from its normal position, a vibration results. This vibration may cause the fastener on the harmonic balancer to come loose and cause costly crankshaft damage.
Stage 8 Locking harmonic balancer bolts, now available to offer real assurance against harmonic balancer failure due to loosening fasteners, according to the company. The design includes just four pieces: a grooved bolt (grade 8 steel), a retaining washer, a locking retainer and a snap ring.
Stage 8 harmonic balancer bolt kits are available for most engines.
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