ARP - Gm Duramax Lly-Lmm 6.6L Ss 12Pt Upper Rocker Cover Bolt Kit - 430-0203

The ARP 430-0203 stainless upper rocker cover bolt kit offers corrosion-resistant fastening for GM Duramax 6.6L diesel engines.

Key Features

• Stainless steel 12-point upper rocker cover bolt kit


• Fits GM Duramax LLY, LBZ, and LMM engines


• Corrosion-resistant stainless construction


• Precision-machined for secure fitment


• Improves long-term serviceability

Compatibility & Installation Notes

• Fits GM Duramax 6.6L LLY, LBZ, and LMM engines


• Designed for upper rocker cover locations


• Install using ARP torque guidelines