EIBACH HELPER250 Helper Spring (L-77 mm, I.D- 64 mm, Rate- 2 N/mm) ymm_71 The fully encapsulated spherical bearing

The fully encapsulated spherical bearing that mounts to the upright provides superior strength and negates the worry of rod end bending commonly found in other designs

Easy installation with included mounting materials

Lightweight composite material construction

2005 Mazda Miata Base

EIBACH HELPER250 Helper Spring (L-77 mm, I.D- 64 mm, Rate- 2 N/mm) ymm_71 The fully encapsulated spherical bearingEibach HELPER Springs feature flat wire design for minimal interferece of main spring rate and travel to maintain spring position at full suspension droop. Keeps Main Spring Seated When Suspension is Unloaded Available for Most Popular Spring Diameters Each Spring Individually Tested Flat Spring Wire for Maximum Travel and Minimum Block Height