Set of eight ACDelco 41-110 iridium spark plugs commonly used on PCM, Crusader, & Indmar GM 6.0L engines. This plug was used on the PCM ZR6 and Indmar LY6 engines.

Product Specs:

• AC Delco part #41-110
• PCM part# RP030011
• Indmar Part#491009 (Indmar wants to use the 41-101)
• Fits PCM ZR6 and 6.0L engines
• Fits Indmar LS3 Engine
• Iridium spark plug
• Sold as a set of 8 plugs
• The gap for PCM is .040
• The GAP for Indmar is .050

Bakes Resource Library:

• PCM Service Parts Quick Reference Guide (PDF)