Autolite 25BP Spark Plug
for 1991 Chevrolet C3500

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Product Information

Get the Autolite 25BP Spark Plug for your 1991 Chevrolet C3500. Buy now and secure your purchase online!

Autolite Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.

Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Its specially engineered high nickel alloy center and ground electrode provides extended life.
The copper core center electrode aids in thermal control and improves resistance to fouling.
The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.

Center Electrode Design:

Standard

Center Electrode Projection:

Mid Projection

Center Electrode Tip Material:

Nickel

Electrical Terminal Type:

NonRemovable Nut

Ground Electrode Tip Design:

Not Tapered

Ground Electrode Tip Material:

Nickel

Hex Size:

5/8 in.

Manufacturer Heat Range:

Pre-Gap Size:

0.044 in.

Reach:

0.431 in.

Resistance:

4000 Ohm

Seat Type:

Tapered

Terminal Type:

Non Removable Nut

Thread Diameter:

14 mm

Country of Origin:

2 Years