GReddy Dual-Bead Boost Clamps - Black

The GReddy Dual-Bead Boost Clamp(s) in black are suitable for use in both air-to-air and coolant applications. The inner shield offers excellent sealing capabilities and is gentle on all soft hoses. Its unique design ensures a secure fit without causing any damage to hose or tubing. * also see GReddy raw Stainless Dual Bead Hose Clamps * For easy GReddy hose clamp replacements, see the GReddy instruction manual(s) and reference the parts list, with the description of the hose clamp size i.e. No. 28 (see below) Black DB Clamp P/N SUS DB Clamp P/N Adjustment Range Dia. Std. Dia. Hoses Metric Dia. Hoses Clamp Type Clamp Name 22400039 22410039S 26-39mm 1.0"-1.5" 32mm No. 16 DB-1 22400045 22410045S 30-45mm 1.25"-1.75" 32-34mm No. 24 DB-2 22400056 22410056S 40-56mm 1.75"-2.0" 34-42-45-50mm No. 28 DB-3 22400065 22410065S 48-65mm 2.0"-2.25"-2.5" 45-50-54-60mm No. 36 DB-4 22400075 22410075S 58-75mm 2.5"-2.75" 54-60mm No. 40 DB-5 22400085 22410085S 68-85mm 2.75"-3.0" 60-65-70-78-80mm No. 44 / 48 DB-6 22400095 22410095S 78-95mm 3.0'-3.5" 80-90mm No. 56 DB-7 22400120 22410120S 100-120mm 4"-4.5" 100mm No. 72 DB-8   Special Black coated Stainless-steel hose clamps The design helps in prevent of turbo hoses from blow off. Flanged edges protect soft hoses, such as silicone or rubber, from damages. Ideal upgrade for improved looks with the black coating and GReddy laser engraved logo on each clamp. 8mm Hex / Flathead adjustment head 6 adjustable sizes to fit most air intake and boost applications. (DB-3 to DB-8) And 2 applications for Blow off valve discharge or Radiator Hoses (DB-1 to DB-2)