Hose Candy
Hotrod Boa Clamp Complete Kit
Hotrod Boa Clamp Complete Kit
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Hose Candy's Hot Rod Boa Clamp Kit
Hose Candy's thermoplastic Boa Clamp maintains a dynamic tension so it never needs retightening. Whenever the engine reaches operating temperature, the shrink forces of the Boa Clamp readjust to a consistent clamping force. In addition, its clamping force increases as the temperature drops below 40 degrees F, thereby tightening the connection. Cold leaks, which normally occur when the temperature drops below 40 degrees F, are eliminated.
Hose Candy's Hot Rod Boa Clamp™ Kits Includes:
(2) 2-1/4" to 2-1/2" Boa Clamps for upper hose
(2) 2-1/4" to 2-1/2" Boa Clamps for lower hose
(4) Super Shrink 3"
(4) 1-1/16" to 1-3/16" Boa Clamps for heater hose
(2) 13/16" to 15/16" Boa Clamps for 3/4" hose of choice
(6) Super Shrink 1.5"
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Description
Boa Clamps from Hose Candy are not just clamps; they are a leap forward in sealing technology. These clamps provide a reliable, permanent seal on cooling systems, air induction parts, vacuum and turbo hoses, and more. The innovative design expands when heated, creating a custom fit that increases its grip as temperatures fall below 40 degrees F, ensuring your connections stay tight and leak-free even in the coldest conditions.
Installation
Installing Boa Clamps is as easy as it gets:
- Position the Boa Clamp around the hose.
- Use a heat gun to evenly heat the clamp until it snugly conforms to the hose and fitting.
- Allow to cool — your connection is now leak-proof!
WHAT ARE BOA CLAMPS?

Dynamic Tension
Maintains consistent clamping force that adjusts with temperature changes. Perfect for everything from radiator hoses to air induction systems.

Material Excellence
Made from heat-sensitive thermoplastic that won’t rust or corrode and is resistant to automotive chemicals.

Easy Installation
Quickly install with a heat gun, even in hard-to-reach places.
Boa Clamp Kits
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Heater Hose Skin Kit -Carbon Fiber/Kevlar
Regular price $109.99Regular priceUnit price / per$129.99Sale price $109.99Sale -
Boa Clamp Add-On for Upper or Lower radiator Hose
Regular price $21.99Regular priceUnit price / per$21.99Sale price $21.99 -
Upper & Lower Radiator Hose Skin Kit -Carbon Fiber/Kevlar
Regular price $109.99Regular priceUnit price / per$129.99Sale price $109.99Sold out -
Upper Radiator Hose Skin Kit -Carbon Fiber/Kevlar
Regular price From $59.99Regular priceUnit price / per$65.99Sale price From $59.99Sale
FAQs
What sizes do Boa Clamps come in?
Boa Clamps are available for hoses ranging from 1/2" to 3-1/2" in diameter.
Can Boa Clamps be reused?
While Boa Clamps are primarily designed for a single use, they can be carefully removed using a Hose Candy clamp removal tool or a soldering iron.
Are Boa Clamps safe for all types of hoses?
Absolutely! Boa Clamps are safe and effective on both silicone and standard rubber hoses, even on out-of-round fittings.
What is the best procedure of shrinking the BOA CLAMPS?
The best way to apply heat is as follows:
- Use standard heat gun with setting on HIGH.
- Follow heat gun manufacturer's safety instructions.
- Do not use open flame as a heat source.
- Move heat gun around as much of the clamp's surface as possible. If you are not able to heat the whole surface of the clamp at one time, turn clamp periodically until it is impossible to turn. BE CAREFUL, clamp will be hot to the touch.
- Continue until shrinking is complete. (The clamp will turn shiny when shrinking is complete)
- Remove heat source and check for leaks.
- If there are leak, simply apply more heat until sealed.
- If you are in need of further assistance please call us at 866-760-5875.
3 STEP INSTALLATION
Position the Boa Clamp around the hose.
Use a heat gun to evenly heat the clamp until it snugly conforms to the hose and fitting.
Allow to cool — your connection is now leak-proof!
Boa Clamps Blog posts
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Ringbrothers Secret #1 Boa Clamps
Ringbrothers Secret #1 Boa Clamps Imagine never having to re-tighten that ugly worm gear clamp again. Imagine the colder the temperature gets the tighter the grip becomes on what ever...
Ringbrothers Secret #1 Boa Clamps
Ringbrothers Secret #1 Boa Clamps Imagine never having to re-tighten that ugly worm gear clamp again. Imagine the colder the temperature gets the tighter the grip becomes on what ever...