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Spectrum's in-house manufacturers of suspension products are located in Asia.

These companies hold certificates of conformation for QS9000 and ISO 9002 standards.
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All domestic products emulate OE manufacture and come complete with hardware.

Our products are manufactured to conform with American quality standards. We use 41CR4 ball stud pins and SAE1040 forgings from ISO 9002 certified raw material suppliers.


Wear Test Stain-Resistance Test
Vertical End Movement Test Ball Pin Pull-Out Test
Assembly Test End Cap Push Out Test
Turning Torque Test Joint Seal Test
Cam Out Test 100% Crack Detection test


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Ball Joints

Drag Links

Idler Arms

Other SIS Pages: [Bearings]

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