Chevrolet LS1 V8 GEN III Â 7.474″ Internal Harmonic Balancer A0285SA
3 bolt deep dish inner and serpentine outer
Minimum Bore Diameter 1.482″
Maximum Bore Diameter 1.4825″
Seal Diameter 2.127″
Nominal Outside Diameter 7.474″
Pulley Grooves 0
Serpentine Grooves 4 & 6
Nominal Overall Length 3.655″
Bolt Holes 3
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