This is the Ultimate Valve Spring Upgrade kit for you 2016-2022 Mustang Shelby GT350 & GT500. Perfect for Street or Race and compatible with both N/A and Supercharged/Turbocharged Applications.
Direct drop in, no modifications needed.
Kit Inlcudes:
32 Beehive Style Super finished/shotpeened Springs
32 PAC Titanium Spring Retainers
32 Genuine Ford Valve Seals
32 Upgraded Valve Locks / Keepers
