BCI Group 27
Lead AcidOEM550 CCA
Cold Cranking Amps
90 Ah
Amp Hours
140 min
Reserve Capacity
12V
Voltage
TerminalTop Post
PolarityLeft Positive
Dimensions12.06" × 6.81" × 8.88"
🛒 Cross-references (buy at any parts store)
Fitment notes: Group 27 standard for 1969 GMC K2500 with 292ci I6; 4WD models may require higher CCA in cold climates