Enginetech BC117J25 Main Bearing Set 0.25mm Undersize for GM 4.2L Atlas Inline-6

The Enginetech BC117J25 main bearing set is precision-engineered for GM 4.2L Atlas LL8 inline-6 engines requiring 0.25mm (0.010") undersize bearings for reground crankshafts. These high-quality main bearings are manufactured using state-of-the-art equipment to ensure consistent bearing thickness and proper oil clearances throughout your engine rebuild.

Key Features:

• Manufactured from high-quality alloys designed for optimal load capacity and durability
• Precision-controlled parting line chamfers cut at the correct angle for proper oil bleed-through without reducing oil pressure
• High-strength materials with excellent anti-friction properties including wear resistance, anti-seizure protection, and embeddability
• Consistent bearing thickness ensures proper oil clearances for reliable engine operation
• 0.25mm (0.010") undersize for use with reground crankshafts

Enginetech main bearings provide extra protection and better durability within your rebuild, making them an ideal choice for GM Atlas 4.2L engine restoration projects. Note: Thrust washers are included where appropriate when not already molded into the main bearing.