QA1 Pro Coil Shock Twintube Single Adjustable - GM A-Body 1968-72 Helmet Cheek and Crown Kit The ports and chambers have VPF3839 12-214-4 Size:X-Small (55-56) designing easy to install

The ports and chambers have been designed using Dart's sophisticated Wet Flow Technology for superior fuel atomization and airflow characteristics

Eliminate downshifting when climbing hills

Designed to work with throttle pedals that have a flat surface on the arm

Sold in matching pairs with all hardware included for easy installation

QA1 Pro Coil Shock Twintube Single Adjustable GM A Body 1968 72 Helmet Cheek and Crown Kit The ports and chambers have VPF3839 12 214 4 Size:X Small (55 56) designing easy to install The ports and chambers have been designed using Dart's sophisticated Wet Flow Technology for superior fuel atomization and airflow characteristics Eliminate downshifting when climbing hills