Application-Specific GM Fitment: Designed for 1955-1974 GM front disc brake conversions using 1969-1988 GM single-piston calipers, making it a direct-fit solution for popular GM midsize and compact platforms., Flexible Rubber Construction: Durable rubber hose design provides an OE-style appearance while allowing necessary movement of the caliper for suspension travel and easy removal during service., Correct Fittings Included: Each hose features a 7/16-20 banjo fitting at the caliper end and a 3/8-24 inverted flare female (IFF) connection for 3/16-inch hard brake line and tube nuts; banjo bolts included.