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Vehicle Info NeededBellhousing Index Reducer Bushing for GM 5.125 in. Bore to 4.686 in. or 4.848 in.
Ships on 09/16/2026
Lowest Price GuaranteeBellhousing index bore and crankshaft centerline have to agree, or the input shaft runs off center and takes out the pilot bearing, front bearing, and eventually the clutch. This reducer bushing steps a GM 5.125 in. index bore down to either 4.686 in. or 4.848 in., which is what makes a Jeep or Ford transmission retainer index correctly in a GM bellhousing.
Advance Adapters 716041 Installation Notes:
- Reduces a GM 5.125 in. bellhousing index bore to 4.686 in. or 4.848 in.
- Aligns the transmission bearing retainer with the crankshaft centerline.
- Helps prevent premature pilot bearing, input bearing, and clutch wear.
- Check bellhousing runout after installation. Sold individually.
Durable Retainer Bearings
Advance Adapters Retainer Bearings ensure smooth and reliable operation. These retainer bearings offer exceptional durability and load-bearing capacity, effectively supporting the rotational forces and reducing friction between moving parts. With their precise fit and high-quality construction, retainer bearings provide reliable performance, extending the lifespan of the equipment. Whether used in gearboxes, pumps, or other mechanical assemblies, retainer bearings contribute to the overall efficiency and functionality of the system, making them an essential component.
