Vehicle Compatibility
Make
Chevrolet, GMC
Model
Silverado 1500, Sierra 1500, Tahoe, Suburban, Yukon
Year
2007, 2008, 2009, 2010, 2011, 2012, 2013
Engine
4.8L V8 LS, 5.3L V8 LS
Part Details
OEM Part Number12557969, 12591451
Aftermarket Part Number2M4978, Michigan Motorsports 2M4978
Part Typepiston_ring_set
Positioninternal
Materialplasma-moly steel, ductile iron
Additional Information
Warranty1 Year / 12,000 Miles
InstallationHard
Cross-ReferenceMichigan Motorsports 2M4978, Sealed Power E1953K, Speed Pro R10130
NotesFor stock-bore engines only; verify cylinder wear before installation.
The Hastings 2M4978 Piston Ring Set is a favorite among GM LS engine builders for both stock rebuilds and performance applications. Featuring plasma-moly faced top rings for superior heat resistance and sealing, this set is engineered to handle the demands of daily driving and mild performance use alike.
Key Features:
– Plasma-moly top ring for superior heat dissipation
– Napier-style second ring for fast seating
– Low-tension oil ring reduces friction and improves fuel economy
– Stock bore sizing for direct factory replacement
– Trusted by engine builders for LS platform rebuilds
| Weight | 1.3 lbs |
|---|---|
| Dimensions | 7 × 7 × 2 in |
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