Valve Springs, Retainers

Supertech Nissan VK56 Dual Valve Spring Kit - SPRK-TS1012-N35-32

Supertech Toyota 3UR-FE 32V Dual Valve Spring Kit (Seat Pressure 62 at 37.80) - SPRK-EC3027D-3UR

Supertech Toyota 3UR-FE 32V Dual Valve Spring Kit - SPRK-EC3025D-3UR

Supertech Audi V8 Beehive Valve Spring Kit - SPRK-A2416N-BE2-V8

Ferrea 10-16 Ford Ecoboost 3.5L Spring Kit - KT4037

COMP Cams Pushrod Spring Retr Lifter K - 54200

COMP Cams 11-14 Ford Coyote/Boss 5.0L .600in Max Lift Valve Spring Kit w/ Ti Retainers - 26125CTI-KIT

COMP Cams 2018+ Ford Coyote Beehive 0.600in Max Lift Spring Kit w/ Titanium Retainers - 26001T-KIT

Supertech Nissan VQ35DE 24V/VK56 32V Dual Valve Spring Kit - SPRK-TS1015-N352-32

Supertech Audi V8 4.2L 40V Dual Valve Spring Kit - SPRK-AUDI4.2T