Sealed Power is Federal-Mogul's premier brand of internal engine components, with exclusive technologies intended to provide both enhanced performance and added reliability. So, from their molybdenum-coated upper rings to their stainless steel oil-control rings, you can count on Sealed Power plasma-moly piston ring sets to deliver the performance you want, time after time.

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SPEED PRO Piston Rings, Plasma-moly, 4.155 in. Bore, 1/16 in., 1/16 in., 1/8 in. Thickness, 8-Cylinder, Set

SPEED PRO Piston Rings, Plasma-moly, 4.155 in. Bore, 1/16 in., 1/16 in., 1/8 in. Thickness, 8-Cylinder, Set

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SPEED PRO Piston Rings, Plasma-moly, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

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