Complete set of Ferrea high performance valve springs, and titanium retainers
Complete set of Ferrea high performance valve springs, and titanium retainers
The perfect seal for repairing, replacing, or upgrading your valves and stem seals!
Manufactured in the U.S.A. and 100% re-usable
Convert to high strength head studs
+1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals
10X Entries Into Our F80 M3 Sweepstakes
*Oversized valves require extra machine work to the cylinder head.*
Stock sized valve head diameter, single groove keeper setup for high RPM use
*Valves priced individually - For 1.8T - qty 12 needed / For 2.7T - qty 18 needed - Please see long description for additional valve seal/keeper informa
Includes M10x1.5x115 cylinder head bolts, most major cylinder head gaskets, and seals
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
08-13-2026
Stock sized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals
10X Entries Into Our F80 M3 Sweepstakes
Stock sized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals
10X Entries Into Our F80 M3 Sweepstakes
Stock sized valve head diameter, single groove keeper setup for high RPM use
*Valves priced individually - For 1.8T - qty 8 needed / For 2.7T - qty 12 needed - Please see long description for additional valve seal/keeper informati
Single groove performance
+1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals
10X Entries Into Our F80 M3 Sweepstakes
*Oversized valves require extra machine work to the cylinder head.*
+1mm oversized valve head diameter, single groove keeper setup for high RPM use
Standard sized valve head diameter, factory triple groove keeper setup
Stock sized valve head diameter, single groove keeper setup for high RPM use
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-09-2026
High strength ARP head studs