Gates PowerGrip SB90 Clamp for Hose O.D. 3-1/2 to 3-5/8 SHL127-RED The 3-ply reinforcement results in

The 3-ply reinforcement results in a working pressure rating in excess of 65 psi and a 4mm wall thickness (27mm / 1 1/16" OD)

The 3 Inch size is most popular for brake ducting on racecars

The 3-ply reinforcement results in a 4mm wall thickness (33mm / 1 1/4" and 24mm / 15/16" OD) and a working pressure rating over 39 psi (199 psi burst pressure)

5" (63mm) ID hose combines the tough flexibility and good looks of our black silicone coolant hoses with a fuel-and oil-resistant fluorocarbon rubber (FKM) inner liner

Gates PowerGrip SB90 Clamp for Hose O.D. 3-1/2 to 3-5/8 SHL127-RED The 3-ply reinforcement results inRevolutionary Gates PowerGrip SB hose clamps eliminate the need for screwdrivers and even the need for retightening! The special heat shrink polymer sleeves create a tight seal with uniform pressure all around your hose, even if the fitting is out of round. PowerGrip clamps resist loosening throughout repeated heat cycles, making them maintenance free. They eliminate a lot of metal and sharp edges under the hood. On top of all that, they look super