Spring Loaded T-Bolt Clamp Heavy Duty Spring - Floating Bridge 3/4" 300 SS Band - 1/4” 28 Plated Screw - Plated Nut and Spring SAE J1508 Type SLTB - SAE Size 102 - 4-1/16" to 4-3/8" size range Replaces: Automann: 561.230406 Breeze: B9224-0406 Dynaflex: 218-428-1 Imperial: 74391 S & S : S-9414 Tectran: HTS406 Tramec-Sloan: 491506 TRP: B9224-0406TRP Velvac: 022626 Spring Loaded T-Bolt Clamp Heavy Duty Spring Floating Bridge 3/4" 300 SS Band ¼”-28 Plated Screw Plated Nut and Spring SAE J1508 Type SLTB SAE Size 102 4-1/16" to 4-3/8" size range Heavy duty T-bolt clamps provide uniform sealing pressure for a positive, reliable seal. The spring helps provide constant tension in spite of temperature variations. They are specifically designed for use in high vibration and large diameter applications. Typical uses include truck air intake systems, cold side charge air systems, off-road equipment, industrial machinery, and marine applications. Our clamps come from a 50+ year old OEM supplier to the heavy duty commercial truck market. Unlike most online sellers who just buy from the lowest bidder, we make an extra effort to find suppliers who provide high quality products that are a great value. Replaces: Automann: 561.230406 Breeze: B9224-0406 Dynaflex: 218-428-1 Imperial: 74391 S & S : S-9414 Tectran: HTS406 Tramec-Sloan: 491506 TRP: B9224-0406TRP Velvac: 022626