AST Linear Race Springs - 130mm Length x 380 N/mm Rate x 61mm ID - Single 2021-hyundai-kona-electric-ultimate-esi3323524 Rigid design eliminates torsional damping

Rigid design eliminates torsional damping for simplicity

ZX4-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc

This design feature with perfect gas flow allows the sound to be tailored to deliver an Akrapovic aural effect

Innovative Filter-to-Housing Interface and Minimal Hardware for Easy Installation and Filter Maintenance

This sealed intake system utilizes pre-oiled

AST Linear Race Springs - 130mm Length x 380 N/mm Rate x 61mm ID - Single 2021-hyundai-kona-electric-ultimate-esi3323524 Rigid design eliminates torsional dampingAST Linear Race Springs 130mm Length x 380 N mm Rate x 61mm ID Single