Ferrea Dual Valve Spring 95lbs - Nissan Skyline R33, R34 RB25DET NEO - Set of 24 - S10078 Dip Stick Allows better aerodynamic performance by

Allows better aerodynamic performance by reducing the need for brake cooling air scoops on vehicles

Black 4-ply silicone couplers are held in place with black e-coated stainless steel clamps

With the intuitive automatic transmission coupled to the 3

-2006-2011 Impreza

Our cold-side piping is available in black and its full potential is unlocked when combined with our hot-side kit

Ferrea Dual Valve Spring 95lbs - Nissan Skyline R33, R34 RB25DET NEO - Set of 24 - S10078 Dip Stick Allows better aerodynamic performance byThe 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 (NEO) Dual Spring Turbo Special Alloy Outside Diameter: 20. 8 mm 28. 0 mm Inside Diameter: 16. 51 mm 20. 8 mm Seat Pressure: 95 lbs @ 30