NPR Piston Ring Set (S54)


Ultra high quality NPR piston ring set for BMW S54 piston (as found in E46 M3, late Z3 M and Z4 M models). Includes top ring, middle ring and oil control ring set.

NPR are the industry standard for quality piston rings. These rings are a perfect addition to any engine rebuild. Specified for original 87mm bore and original BMW pistons.

Priced per piston (quantity of six required per engine).

Available on back-order

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