Allstar Performance Reducer AN -12 Female to -8 Male | ALL49746 1966-gmc-g1000-series-esi4537644 They use a 5/8-11 thread

They use a 5/8-11 thread pitch

"text": "The lower arms (this listing) locate the axle front-to-back and take most of the suspension load

Chevrolet: Monte Carlo 70 - 76 6

Double shear

"text": "ALL48351 is a universal application AN hose assembly and is not vehicle-specific

Allstar Performance Reducer AN -12 Female to -8 Male | ALL49746 1966-gmc-g1000-series-esi4537644 They use a 5/8-11 threadThis is a straight adapter fitting, 12 AN Female Swivel to 8 AN Male. Constructed from Aluminum, Black Anodized. Sold individually. Compatibility Universal fit for systems using 12 AN Female Swivel to 8 AN Male; not matched to a particular make or model. FAQ What does this fitting connect? This fitting connects 12 AN Female Swivel to 8 AN Male. What is it made of? This fitting is made of Aluminum, Black Anodized. Is this sold individually or as a set?