EIBACH HELPER188 Helper Spring (L-76 mm, I.D- 48 mm, Rate- 2 N/mm) ymm_64 When combining the slip-on system

When combining the slip-on system with optional carbon fibre diffuser DI-PO/CA/7/G (fits on GT3 RS)

resulting in enhanced ring seal and more power

Reusable design engineered to last for the life of the vehicle

Fits Following Engines: 305 CID Chevrolet Small Block Generation I

EIBACH HELPER188 Helper Spring (L-76 mm, I.D- 48 mm, Rate- 2 N/mm) ymm_64 When combining the slip-on systemEibach 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