Supertech Nissan RB25DE/DET (w/Hydraulic Lifters) Single Valve Spring Kit Universal In the top end kit

In the top end kit you’ll find everything you need for a head change

The ATI Super Damper can handle any engine speeds and driving conditions that get thrown at it to better protect your engine

From the one-piece sealed housing - that utilizes our all new Injen Twist-Lock System (Patent Pending) to securely attach a massive SuperNano-Web Dry air filter in place - all the way down to premium hardware

Magnuson’s TVS2300 supercharger utilizes EATON’s latest 6th Generation supercharger rotor technology found in such industry leading performance vehicles as the Corvette ZR-1

* Unrivaled comfort

Supertech Nissan RB25DE/DET (w/Hydraulic Lifters) Single Valve Spring Kit Universal In the top end kitSingle Valve Spring Kit Type: Single Spring Press. Seat: 78 @ 30. 60mm Max Lift: 10. 60mm Coil Bind: 20. 00mm Rate: 7. 30 lbs mm Retainer: RET NVG1015 T1 Spring : SPR 1012S RB25 Seat Locator : SS 2820 E HYDRAULIC LIFTER KIT Engines Nissan Gt t 6cyl 2. 5l Turbo RB25DET Nissan Gts 25 6cyl 2. 5l RB25DE Nissan Gts25t 6cyl 2. 5l Turbo RB25DET