Ferrea High Boost Dual Valve Spring Kit for Toyota Supra 2JZ 2JZGE 2JZGTE - KT4047 Toyota unlimited-mileage warranty – not to

unlimited-mileage warranty – not to mention the Air Lift Performance reputation for exceptional customer service and technical support – and you can purchase this kit with peace of mind

This Speed Density conversion allows for much better measurement of the airflow that is actually entering the engine and allows you to run a BOV that will vent to atmosphere without the consequences of a standard MAF

10ANThe 10AN kit includes the 20-0534 check valve body but adds all the necessary adapter fittings to convert both the inlet and the outlet to 10AN male and/or 10AN female

Includes 8 K-type thermocouple inputs to accept common K-type thermocouple sensors (sensors sold separately)

Ferrea High Boost Dual Valve Spring Kit for Toyota Supra 2JZ 2JZGE 2JZGTE - KT4047 Toyota unlimited-mileage warranty – not toFerrea High Boost Dual Valve Spring Kit for Toyota Supra 2JZ 2JZGE 2JZGTE Part # KT4047 The Ferrea Dual Valve Spring Kit is what we use in all of our in house builds. Ferrea makes the best valvetrain parts in the industry, hands down. Kit includes the following: Dual Springs #S10179 (24) Titanium Retainers #E11145 (24) Seat Locators #SL1174 (12) Valve Locks #K10037 (24)