AutoMeter Phantom Electric Oil Temperature Gauge - 2-1/16" - 100 Degree-250 Degree CK02521 Spread port heads have the

Spread port heads have the center exhaust ports spread apart 5/8'' over stock L98 GM heads

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Carburetor Air Bleed

640 in Shank Diameter

AutoMeter Phantom Electric Oil Temperature Gauge - 2-1/16" - 100 Degree-250 Degree CK02521 Spread port heads have theAn engine running a high oil temperature will fail, as proven time and time again. Monitoring this critical parameter ensures that you are running the correct weight oil and that your oil cooling system is performing properly. Highly accurate and durable thanks to AutoMeter's patented air core meter movement, a single wire, 1 8? NPT temperature sender is included. Traditional incandescent lighting illuminates around the perimeter of the dial 12 and 16