Tube Sleeve, 3AN - 3/16" Tube, Blue. Tube Sleeve, 3AN - 3/16" Tube, Blue. Not all nitrous companies use 37° "AN" Fittings in their nitrous kits. To avoid potential leaks, never mix 37° "AN" and 45° SAE fittings.
17601NOS NOS Tube Sleeve
JEGS 106382 Tube Nuts -6 AN Fits 3/8 in. Hard Line with Tube Sleeve Steel Set of
Fragola 481906-BL-10 -6AN Tube Sleeve Black 10 Pack
FRAGOLA 481904 #4 Tube Sleeve Black 481904-BL
Fragola Performance Systems 481903 Bl Aluminum Tube Sleeve 818 3An
Fragola Performance Systems 481906 Bl 6 Tube Sleeve Black
