This is a set of 8 ACDelco 41-110 iridium spark plugs, commonly used in PCM, Indmar, and Crusader marine 6.0L engines. Condition is new and unopened, ready to install for your next engine service.

Key Features:
Set of 8 genuine ACDelco iridium spark plugs
Fits PCM ZR6 and 6.0L marine engines
Fits Indmar LY6 6.0L and LS3 6.2L engines
Also fits Crusader GM-based 6.0L engines
New and unopened, factory sealed set

Technical Specifications:
Part Number: ACDelco 41-110 / GM 12621258
Type: Iridium, single ground electrode
Thread Reach: 17.5mm (0.680in)
Gap: .040in for PCM, .050in for Indmar (adjust before install)

Ideal for marine engine builders and boat owners maintaining PCM, Indmar, or Crusader GM 6.0L engines.