**Due to the COVID-19 pandemic a large number of products are on backorder and shipping times are longer then usual.**
Chevy Small Block Piston Ring
Bore Size: 4.000" Oversize: Standard. Ring Thickness: n/a. Description: Low tension rings for ZZ4, LT1, and LT4 engines. Set of 8 ring packs of P/N 12528817."
California Proposition 65 Warning
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