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ACDELCO 6ST27 Specifications
Auxiliary Lead AttachedNo
Cable Gauge6
Conductor MaterialCopper
Conductor TypeStranded
Insulation ColorRed
Length27 in.
Lug Hole Diameter0.3800 in.
Lug Hole Diameter9.6520 MM
Programming RequiredNo
Vehicle End TypeRing
Gold / Professional
Features & Benefits:
  • Tough cross-linked synthetic rubber insulator casing that resists burning, softening, or melting in high heat, and resists corrosion from chemicals and road splash
  • 99% pure copper cables to maximize conductivity and quick cold weather starts
  • Light weight for improved flexibility
  • Steel skeleton embedded in casting for more reliable electrical connection
  • Casting overlaps cable insulation to protect cable from corrosion, which is the primary cause of cable failure
  • Meets SAE J1127 standards
ACDelco Quality

ACDelco breaks down their premium portfolio of Original Equipment and Aftermarket parts into two tiers: GM Original Equipment and ACDelco Gold.

GM Original Equipment parts are the true OE parts installed during production or validated by GM—designed, engineered, and tested to rigorous standards and backed by General Motors.
ACDelco Gold parts are the high-quality alternative to OE parts, manufactured to meet GM expectations for fit, form, and function and backed by General Motors.

Attention California Customers - Warning: Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. Batteries also contain other chemicals known to the State of California to cause cancer. For more information go to

OEM / Interchange Numbers: 88865099

Warranty Information:
24 Month / Unlimited Mile Warranty
Warranty Details