Measure twice, order once. Or somethimg like that. Find the part number you need outside RA.

Did some poking around, noticed something:
APWI GM 8222 shows a (compressed) length of 21.875 inches. [21 and seven-eighths, in Freedom Units] allegedly fits EVERY gen2+ wbody, and some g/h body as well.
Trouble is, SURTRACK/TRAKMOTIVE shows a GM 8222 as well. But, its listed as a G6/Malibu fitment... Hmmm... (compressed) length listed at 23 & 1/8"

Quite a difference. Question is, which one actually IS a GM8222? Time for a better catalog.

Measure twice, order once.