10X HPS Stainless Steel Worm Gear with Liner Hose Clamp, Range: 1-9/16" - 2-1/2" (40mm-64mm) , SAE 32 HTHH-032-BLKx50 or the cargo area volume

or the cargo area volume limits such as in the typical car's trunk design

OD: 2-3/8" (60mm)

5mm High Temp Blue Silicone vacuum tubing hose is commonly use for vacuum advance systems

HPS 5/16" High Temp Red Silicone vacuum tubing hose is commonly use for vacuum advance systems

which is considered less safe than allowing controlled deformation to absorb kinetic energy during a collision

10X HPS Stainless Steel Worm Gear with Liner Hose Clamp, Range: 1-9/16" - 2-1/2" (40mm-64mm) , SAE 32 HTHH-032-BLKx50 or the cargo area volumeHPS 100% Stainless Steel Worm Gear Liner Hose Clamps SAE # 32 10pcs pack 1 9 16" 2 1 2" (40mm 64mm) feature four piece heavy duty industrial grade quad lock design allows more tightening torque compare to other aftermarket clamps. These HPS liner hose clamps features an inner protective sleeve which can prevent the damage of the silicone hose and delivers maximum protection and concentric seal to soft hoses. The HPS stainless steel worm gear liner