Enginetech BB253J001 Connecting Rod Bearing Set .001" Oversize GM SBC Large Journal

The Enginetech BB253J001 is a complete engine connecting rod bearing set designed as a .001" oversize replacement for GM and Chevrolet Small Block V8 engines with large journals, including LS-series powerplants.

Key Features:

• Advanced aluminum-silicon construction — high-silicon alloy delivers performance equal to or better than traditional tri-metal designs
• .001" oversize — designed for journals that have been measured and require a .001" undersize grind
• Shaft diameter: 2.0992–2.1000 in.
• Housing bore: 2.2247–2.2252 in.
• Wall thickness: 0.0614–0.0619 in.
• Oil clearance: 0.0005–0.0028 in.
• Width: 0.842 in.
• 1-year manufacturer warranty

Cross-Reference Part Numbers:

• ACL: 8B663P
• Federal-Mogul: 8-2555AP
• King: CR807SI
• Mahle Clevite: CB-663AL-8

Enginetech has been the choice of professional engine rebuilders for over 25 years, delivering consistent quality and precise tolerances for dependable engine performance. The BB253J001 is a trusted solution for any SBC or LS engine rebuild requiring .001" oversize rod bearings.