Increase bottom-end reliability when adding horsepower
Increase bottom-end reliability when adding horsepower
Keep your engine block from flexing under torque
5X Entries For Our 25th Anniversary Sweepstakes!
+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 For Our 25th Anniversary 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
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 For Our 25th Anniversary Sweepstakes!
Billet main caps for your high horsepower extreme build, specifically designed to be used with a girdle kit.
5X Entries For Our 25th Anniversary Sweepstakes!
Designed to handle over 6,500rpm with no problems
Designed to work with OEM upper spring retainer.
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 For Our 25th Anniversary 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
+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 For Our 25th Anniversary Sweepstakes!
*Oversized valves require extra machine work to the cylinder head.*
Great high end power for street and mild race
NOT for BBW engine code.
+1mm oversized valve head diameter, single groove keeper setup for high RPM use
Standard sized valve head diameter, factory triple groove keeper setup
For use with 20mm JE Piston sets
5X Entries For Our 25th Anniversary Sweepstakes!
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
07-19-2026
Add up to 10 Horsepower!