ARP GM Duramax LLY-LMM 6.6L SS 12pt upper rocker cover bolt kit Part # 430-0203ARP 430-0203SKU: ARP 430-0203$79.06PriceOut of StockMANUFACTUREARP FastenersAVAILABLITYPre-Order � Non Stocking ItemMaterialFinishMANFACTURE DISCRIPTIONGM Duramax LLY-LMM 6.6L SS 12pt upper rocker cover bolt kit
