These can only added to an order of another product like a pipe kit, intercooler etc. Do not buy these separately by themselves, your payment will be refunded.
This is a well made stainless steel T-bolt clamp used for many applications. Mainly turbo and supercharger systems. When using silicone couplers, basic worm clamps are not strong enough to make a good seal. I also use a lock nut, many do not. They loosen with engine vibration and then you have a boost leak, do the job once and be done.
I have the following sizes