ACL – (Calico Coated) Main Bearing Set GM/Chevy 1997-2015 LS V8 4.8/5.3/5.7/6.0/6.2L (LS1/LS2/LS3/LS6) with Standard Size (5M7298H-STD)

Specifications:

Bearing Material – Tri-metal, TM-77
Bearing Usage – Performance
Groove Location – Upper
Grooved Bearing – Yes
Quantity – Sold as a set of 5

These Tri-Metal 77 engine bearings combine the strength of a copper-lead alloy layer with steel backing and an electroplated babbitt metal. The steel backing provides strength and durability; the babbitt overlay provides the critical surface characteristics of slipperiness and conformability. This ideal design has properties not even found in many original equipment bearings. ACL offers main bearings, rod bearings and cam bearings in this series.

Notes

• Works on car and truck applications
• H Series Bearings – High-Performance Bearing
• Contains 1/2 grooved bearings

H Series –

• Best to start with when unsure which bearing to choose
• Medium level of eccentricity and high crush
• Enlarged chamfers for greater crankshaft fillet clearance
• Made without flash plating for better seating
• Use with crankshafts that have oversized fillets
• Use with engines that run mid-high RPM range
• Contact patterns should ideally cover 2/3 to 3/4 of the bearing surface