Valvetrain Kits

Full valvetrain upgrade kits — race-grade valves, dual valve springs, titanium retainers, spring-seat locators and stem seals — packaged together as a single SKU for the most popular built engines. Saves picking parts piecemeal and guarantees the matched valve / spring / retainer combo your cam profile needs. Stock covers Honda K24A3 / K24Z3 / K24Z7 (Ferrea full valvetrain kit), Honda B16 / B18C / B18C5 (Ferrea 80lb dual + Ti retainers), Mitsubishi 4G63 (Supertech full kit + Ferrea options), Toyota 2JZ-GTE Turbo (Ferrea 90lb dual + Ti retainers, Supertech 60lb single), Audi 2.5 TFSI TT-RS / RS3 (Ferrea Competition sets of 10), VW R32 24V (75lb Ferrea dual + Ti retainers + locators + lifter shims) plus Catcams VAG 07K and TFSI retainer/spring sets. UK stock, next-day dispatch and Payl8r 0% finance available.