ACDelco 39120 Professional Automatic Belt Tensioner and 2 Pulley Assembly 698231020432 Unique Alpha Base

Unique Alpha Base

Camshaft BearingHP SeriesStandard JournalCoatedSmall Block ChevyKit

Dorman's Body Mount Kit includes all the components needed for a complete repair

Heavy-duty Barnett clutch springs are pre-set

ACDelco 39120 Professional Automatic Belt Tensioner and 2 Pulley Assembly 698231020432 Unique Alpha BaseBrand ACDelco Model 39120 Ensures proper belt tension, alignment, and damping for superior performance Patented vibration damping system increases tensioner, belt, and accessory component life for long lasting use Torsional round spring design provides consistent tension and does not allow contamination for enhanced durability Provides full line coverage for domestic, import, and heavy duty applications The ACDelco Professional, premium aftermarket