AutoMeter Straight Gauge Adapter Fitting - 5/8-18 in Female to 3/8 in NPT Male - Brass - Mechanical Temperature Gauges 2263 51110 this is a permanent solution

this is a permanent solution that replaces a welded in O2 bung

Exhaust port and bolt pattern are raised 3/32'' over GM L98 cylinder heads

Allstar Short Remote Bias Adjuster

high-mileage engines running in a wide range of operating temperatures and conditions

Multi-purpose valves are used in the brake system to properly distribute fluid to the front and rear brakes

AutoMeter Straight Gauge Adapter Fitting - 5/8-18 in Female to 3/8 in NPT Male - Brass - Mechanical Temperature Gauges 2263 51110 this is a permanent solution5 8" 18 UNF Female (adapts directly to sealing nut on AutoMeter Mechanical Temp Gauges) to 3 8" NPT Male Constructed from solid brass Auto Meter Gauges are the number one choice of professional racers worldwide. Auto Meter, the most respected manufacturer of high quality, performance aftermarket instrumentation, tachometers, gauges, gauge pods, and test equipment. Product Description: Adapter Straight 5 8 18 in Female to 3 8 in NPT Male Brass Natural