Big Block Main Bearing Kit - Standard - NOS GM
NOS (new old stock) GM main bearing set for big block engines. GM part number 12329723.
1974 GMC Truck Parts - Bottom End Bearings
Classic Industries offers a wide selection of Bottom End Engine Components for your 1974 GMC Truck. Classic Industries offers 1974 GMC Truck Bearings, 1974 GMC Truck Connecting Rods, 1974 GMC Truck Crankshaft, 1974 GMC Truck Engine Block, 1974 GMC Truck Hardware, and 1974 GMC Truck Pistons & Rings.
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This product fits the following vehicle applications. Click to view individual years.
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