Earl's Straight Adapter Fitting -10 AN Male to 1/2 in NPT Male - Black MAC-XC-1.75 Vehicle Applications: FORD F-250/350/450 17-19

Vehicle Applications: FORD F-250/350/450 17-19

All headers are a direct fit bolt on replacement when used with the correct matching mid-pipes which are available with high flow catalytic converters and in off road race versions

Top Air System can be fitted to all ST4 and ST5 Formula and Wide GT model helmets

and set the power level

1968-1974 Chevrolet G10 Van

Earl's Straight Adapter Fitting -10 AN Male to 1/2 in NPT Male - Black MAC-XC-1.75 Vehicle Applications: FORD F-250/350/450 17-19Military Spec Type III Hard Anodized Construction. Available for Any Plumbing Situation and Many Custom Applications. AN Adapter side seals on the flare (cone) not the threads. DO NOT overtorque. Features: Hard Anodized Aluminum Coating Penetrates Aluminum For Wear and Corrosion Resistance Made in the USA Available for Any Plumbing Situation and Many Custom Applications Provides An Aggressive Look Last Twice As Long As Traditional Anodized