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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
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
this 7 second race-proven design has been perfected and now available for your high horsepower R35 GT-R
1654" Beam Type I-Beam
24 Inner Valve Spring Seats
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
Ferrea High Boost Dual Valve Spring Kit for Toyota Supra 2JZ 2JZGE 2JZGTE - KT4047 Toyota This Speed Density conversion allowsFerrea 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)