At LowPricedAutoParts we proudly offer genuine Enginetech BB619J001 .001 Oversize connecting rod bearings (8-piece set) designed specifically for the 1958-2007 Chevrolet & GMC 348-496 naturally aspirated big block V8 engines in Bel Air, Impala, Silverado, Sierra and equivalent models after crankshaft grinding.
Manufactured to tight tolerances: shaft diameter 2.1988-2.1998", housing bore 2.3247-2.3252", wall thickness 0.0617-0.0622", width 0.892", oil clearance 0.0010-0.0036". These bearings perform reliably in towing, hauling, highway driving, and performance conditions typical of these classic & modern vehicles.
Key benefits include:
Oversize design restores proper clearances on machined journals
Wide oil clearance range accommodates big block 348-496 V8 operation
Helps reduce friction and maintain engine efficiency
Whether addressing bearing wear, rod knock, or performing preventative maintenance during timing chain, head gasket, or full engine service, these bearings help deliver quiet, dependable performance you can count on.
Always confirm crankshaft journal measurements (machined to match oversize) and VIN for exact match. Professional installation recommended to verify clearances and follow torque procedures correctly.
Shop confidently with LowPricedAutoPartsfast shipping, expert support, and our commitment to your satisfaction on every Enginetech part. Get your Chevrolet or GMC back to peak reliability today.
