GM Duramax LLY-LMM 6.6L SS 12pt upper rocker cover bolt kit. Genuine ARP hardware, supplied as kit 430-0203.Details Kit number: 430-0203 Category: Cylinder Head Product group: Bolts California Proposition 65 warning⚠ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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