PCM Platinum 8.1L Spark Plug Set PCM - RP030009
Set of eight AC Delco 41-983 spark plugs listed with PCM RP030009 as a comparison reference.
Engine & part-number match
Set of eight AC Delco 41-983 spark plugs listed with PCM RP030009 as a comparison reference. Match the current plug number and exact engine/ignition specification before ordering; confirm the correct gap from the service information for that engine.
Before ordering
- Engine model and serial number; the boat year alone is insufficient.
- Complete number on the existing part and any replacement/supersession reference.
- Printed plug identity, terminal type and required quantity.
Exact replacement needs confirmation. Use the checks above so GT40 can confirm the correct part.
Compare product fitment →Product details
Set of eight AC Delco 41-983 spark plugs listed with PCM RP030009 as a comparison reference. Match the current plug number and exact engine/ignition specification before ordering; confirm the correct gap from the service information for that engine.
Fitment & setup
How many plugs are included?
The listing is for a set of eight AC Delco 41-983 plugs.
Can I choose the plugs from engine displacement alone?
No. Send the engine identification, ignition details and current plug number to GT40. Confirm the exact replacement and engine-specified gap before installation.