Gloss Black Silicone Heater Hose Block Off Cap 3/4" (19mm) I.D AF9289-075-01 Tank Ends 5mm to -12AN 733-12S AF733-12S

5mm to -12AN 733-12S AF733-12S Silver Finish METRIC M16 X 1

GM LS and Ford Cleveland

Tube to Female AN Adapter 5/8" to -10ANBlue/Red Finish

AF818-10BLK

Gloss Black Silicone Heater Hose Block Off Cap 3/4" (19mm) I.D AF9289-075-01 Tank Ends 5mm to -12AN 733-12S AF733-12SGloss Black Silicone Heater Hose Block Off Cap 3 4" (19mm) I. DSold Individually, 3 Ply Polyester AF9289 075 01 9289 075 01 The Aeroflow reinforced silicone heater block off caps is designed for coolant, water, air, vacuum ports, throttle body water ports, heater cores, and much more. While they look a lot like traditional vacuum caps, the internal material is designed specifically to be installed on your cooling system. The block off caps is