MAHLE MS-909P-40 Main Bearing Set for Small Block Chevy V8

The MAHLE MS-909P-40 is a precision-engineered main bearing set designed for Small Block Chevrolet V8 engines. This complete bearing set provides the critical interface between the crankshaft and engine block, ensuring proper oil clearance and smooth engine operation.

Engine Compatibility:

• Fits Chevrolet 262ci (4.3L), 267ci (4.4L), 302ci (5.0L), 305ci (5.0L), 307ci (5.0L), 327ci (5.4L), and 350ci (5.7L) V8 engines
• Applications span 1967-1994 passenger cars and trucks
• Standard size bearings with .040" oversize for machined crankshafts

Key Features:

• Manufactured by MAHLE, a leading OEM supplier of engine bearings worldwide
• Tri-metal construction with steel backing, copper-lead intermediate layer, and babbitt overlay
• Precision tolerances for optimal oil film thickness and bearing life
• Complete set includes all main bearings needed for engine assembly
• .040" oversize for crankshafts machined to accommodate bearing wear

MAHLE bearings are engineered to meet or exceed OEM specifications, providing reliable performance for street, performance, and racing applications. This bearing set is ideal for engine rebuilds where the crankshaft has been machined .040" undersize on the main journals.