HASTINGS "OEM Replacement" Moly piston ring sets are designed to fit most OEM 4.6 and 5.4 pistons. NOTE: These rings WILL NOT fit CP/MODMAX pistons, but typically will work with most other branded pistons utilizing the 1.5-1.5-3mm ring grooves. These rings come as a complete set with 1.5mm top rings, 1.5mm 2nd rings, and 3mm oil rings. They are available in standard, +.020", and +.030" bore sizes.
For nearly 100 years Hastings Manufacturing, based in Hastings, Michigan USA, has been serving the internal combustion industry with the design and manufacture of high-quality piston rings that improve combustion efficiency and reduce oil consumption. Recognized as a premier supplier to the engine industry, Hastings has earned its reputation as a leader in piston ring technology.
The top rings are Torsional Moly Hi-Tensile Iron. The second rings are a Reverse Torsional Taper Faced ring. The oil rings are standard tension and feature chrome rails.