GMC 12689123 COVER,VLV RKR ARM RH (ASM) Retrieving price... View PDC Availability Details Please Note, this part is on Manual Allocation in the US. Please Note, this part is on Manual Allocation in Canada. Please Note, this part is on Manual Allocation in US and Canada. Product Unavailable for Purchase Product Unavailable for Purchase VMRS: 045-008-046 - COVER - ROCKER ARM/VALVE Add to Cart