PartSmith Co. supplies the HPS Stainless Steel Spring Loaded T-Bolt Clamp 4.5″-4.8″ (114mm-122mm) to drivers, shops and fleets across the USA.

Inner diameter must match the fitting exactly, since eyeballing sizes is how leaks begin. Re check clamp torque after the first few heat cycles.
Shops order the hps stainless steel spring loaded t-bolt from us in volume because the data on the page is accurate.
If your build is unusual, tell us and we will confirm the hps stainless steel spring loaded t-bolt against it.
Quick specs
- Material: Stainless Steel
- Category: Clamps
- Price: $19.32 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
HPS Stainless Steel Spring Loaded T-Bolt Clamp 4.5″-4.8″ (114mm-122mm) for 4.25″ inch ID hose provides high strength and a 360 degree seal. The added spring is there to automatically adjusts the clamp diameter to compensate for the expansion and contraction of hose when temperatures or the pressure fluctuate. HPS spring loaded clamps are reusable. Design to meet or exceeds SAE Spec. J1508 for T-bolt clamps. The clamps has a floating bridge and rolled edges to protect soft hose. The lock nut has a nylon insert to prevent it from backing out. Tighten with a 7/16 inch socket wrench.
The HPS constant tension t bolt clamps are widely used in the charge air cooler system (cac), aircraft, automotive, truck and heavy-duty vehicle, industrial, hardware/plumbing, and marine industries. Technical Specification: SAE #116. Effective Size Range: 4.5″-4.8″ (114mm-122mm). Superior welded construction. Floating bridge and rolled edges to protect soft hoses. 3/4 inch wide 300 Series Stainless Steel Band and Trunnion. Zinc Plated T-bolt, Nut and Springs. 7/16 inch head Nylon Nut. Meets or exceeds SAE Spec. J1508 for T-Bolt clamps. Max. Torque Spec: 75 in. lbs.. Quantity: 1
- SAE #116. Effective Diameter Range: 4.5″-4.8″ (114mm-122mm). Fits 4.25″ ID HPS silicone hose
- 3/4″ wide 300 Series Stainless Steel Band and Trunnion
- Zinc Plated T-bolt, Nut and Springs
- Nominal Diameter: 4-3/4″. Max. Torque Spec: 75 in. lbs.
- Meets or exceeds SAE Standard, ideal for charge air cooler system (cac), aircraft, automotive, truck and heavy-duty vehicle, industrial, hardware/plumbing, and marine industries.
Application:
Universal Fit Product
Remark:
Installation: The size listed indicates the minimum and maximum inside diameter of the clamp. Please order clamp according to the OUTSIDE DIAMETER of the hose!
Product Content:
- 1 x Spring Loaded T-bolt Clamp
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- SLTC-450, SLTC-450, SLTC450
Not sure it matches your vehicle? Send your VIN or your year, make and model and our fitment desk will confirm before you order.
Customers also open: Hoses & Fittings · HPS Stainless Steel Spring Loaded T-Bolt Clamp 7.25″-7.56″ (184mm-192mm) · HPS Stainless Steel Spring Loaded T-Bolt Clamp 6.75″-7.06″ (172mm-180mm) · full catalog
Parcels leave our USA warehouse promptly and arrive protected, because packaging failures are returns waiting to happen.
Further reading from a neutral source: the NHTSA vehicle safety hub.
Common questions
How do I know this is the right part?
Trim level, engine option and drive type decide most fitment questions. Send those three details or the VIN and we will check them for you.
Do you ship the same day?
We ship from a USA warehouse with quick dispatch, and delivery estimates appear at checkout once you enter your address.
Can I return this part?
Report any transit damage with a photo and we will send a replacement or refund you. We handle the carrier claim ourselves.
What quality checks does this get?
Lines and fittings are checked for pressure rating, inner diameter and ply count before shipping.
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