ACL Chevy 262/267/302/305/307/327/350 Race Series Standard Size Main Bearing Set

• High performance Trimetal engine bearings
• Designed to withstand higher RPM conditions
• High strength overlay plate with reduced thickness for improved fatigue properties

• High strength overlay plate with reduced thickness for improved fatigue properties
• Hardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing.
• Increased crush for improved bearing retention
• Elimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing.
• Increased eccentricity to compensate for bore distortion at high rpm and to assist in the formation of hydrodynamic oil films.
• 3/4 grooved Main Bearings to optimize bearing load carrying surface area and oil flow to the conrod bearings.
• Tight consistent wall tolerances to help you maintain consistent clearances.
• Enlarged ID chamfers on bearing edges where required to accommodate large fillet radius on performance crankshafts.

Fits
Chevrolet    262 V8    Chevrolet 262ci (4.3L) V8 OHV 2v    
Chevrolet    265ci L99    Chevrolet 265ci (4.3L) L99 V8 OHV 2v    
Chevrolet    267    Chevrolet 267ci (4.4L) V8 OHV 2v    
Chevrolet    302ci Large Pin    Chevrolet 302ci (5.0L) Large Pin V8 OHV 2v    
Chevrolet    305    Chevrolet 305ci (5.0L) V8 OHV 2v    
Chevrolet    307    Chevrolet 307ci (5.0L) V8 OHV 2v    
Chevrolet    327ci Large Pin    Chevrolet 327ci (5.4L) Large Pin V8 OHV 2v    
Chevrolet    350    Chevrolet 350ci (5.7L) V8 OHV 2v    
Chevrolet    350 Vortec    Chevrolet 350ci (5.7L) Vortec V8 OHV 2v