STILO REPLACEMENT EAR SOFT CUPS - ST4 / ST5 SERIES HELMETS - BLACK - PAIR Legend 19 Spline Count: Equipped with

19 Spline Count: Equipped with a 19 spline pattern for a stable and reliable engagement

With its precise engineering

which contributes to improved vehicle performance

which can be especially beneficial in racing or for drivers who require specific adjustments for optimal comfort

Black Vinyl Coated

STILO REPLACEMENT EAR SOFT CUPS - ST4 / ST5 SERIES HELMETS - BLACK - PAIR Legend 19 Spline Count: Equipped withStilo Comfort Noise Reduction Earmuffs are the perfect replacement for ST4 ST5 series helmets. Stilo noise dampening ear muffs work to reduce the levels of driver noise by sealing the driver's ear, resulting in improved hearing feedback from Helmet communications rather than outside noise.