Ferrea Dual Valve Spring 110lbs Int/90lbs Ex - Nissan Skyline R32, R33 RB25DET (non-Neo) - Set of 24 - S10112 Steel Perfect for high boost applications

Perfect for high boost applications to withstand swelling and bursting

To keep things simple and easy for everyone it's compatible with any OEM thread pitch oil cap and installs with OEM gasket set and mounting hardware

Once the harness is through the firewall

Our solid Billet Oil Cooler Plugs can be used to plug the unused water pump and block ports when the factory oil cooler is removed

-16AN Male AN Weld Flange Adapter (Unanodized) - 971-16-0

Ferrea Dual Valve Spring 110lbs Int/90lbs Ex - Nissan Skyline R32, R33 RB25DET (non-Neo) - Set of 24 - S10112 Steel Perfect for high boost applicationsThe design and processes on these dual valve springs are optimized to reduce valvetrain harmonics and provide greater stability on high horsepower applications. We use high grade premium super clean PAC alloy materials and maintain tight tolerances for those unique aftermarket cylinder heads. 6 Cyl. In Line 24 Valve (RB25DET) This Spring requires Ferrea Titanium Retainer # E11082 and Ferrea Spring Seat Locator #SL 1068 (EXH Side) and Ferrea Spring