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High Rate valve spring set for the Audi 20v 5-cylinder, recommended when running high lift cams or revving past 7000 rpm consistently to prevent valve-float.
Will not bind on lifts up to .550" or 13.9mm lift. Will fit OEM retainers or our Ti retainers, includes stiffer inner spring as well.
20 valve-spring-pairs in set.
Seat Pressure - firstname.lastname@example.org
Opening Pressure - email@example.com
Coil bind at 19mm
Rate - 11.2 lbs/mm