TRIANGLE SUSPENSION 75-129 Peterbilt, R Spr, Lvs:2 FT; OEM# 303953; SE Length: 4-3/8; LE Length: 23-1/2; SE End: HK-1-2; LE End: HK-1-2; Grading 2/1.210

Since 1919, Triangle Suspension Systems Co.® has set the gold standard for steel leaf springs. With generations of spring shop customers going back for more than 7 decades, Triangle Suspension has made a name for itself for its use of high-quality materials that are backed by ISO-compliant manufacturing processes. Their catalog covers a wide range of applications, including leaf spring assemblies, air beams, and helper springs for light, medium, and heavy duty vehicles. They also offer spring repair components and custom-engineered spring to fill almost any niche. All their products are manufactured in-house in their DuBois, PA, manufacturing facility and distributed across the United States and beyond.