HKS Metal Head Gasket t:0.8mm b:96.0mm Nissan GT-R R35

277,20 HT

332,64 € TTC

En ré-approvisionnement

HKS Metal Head Gasket t=0.8mm b=96.0mm Nissan GT-R R35. Since their inception in 1973, HKS have committed themselves to producing aftermarket parts from high quality materials using the latest engineering processes. These products are some of the best on the market in all aspects such as appearance, sound and most notably performance!

Désolé, plus en stock. Dispo à la commande!

Description
Détails du produit

To improve the performance of R35 GT-R using the factory Head gasket, the factory bore sealing proof stress restricts the improvement._x000D_
_x000D_
GT800 Package can release the restriction by replacing the Head gasket with the HKS Head Gasket which enables higher performance. This HKS Head Gasket includes the Exhaust Manifold Gasket. Best to use with GT800 Package to upgrade the engine properly._x000D_
_x000D_
Feature_x000D_
_x000D_
POINT-1_x000D_
_x000D_
High engine output parts. Designed to replace the factory Head gasket._x000D_
_x000D_
The bore diameter and thickness are the same as the factory gasket._x000D_
_x000D_
The shape of the exhaust gasket is the same as the factory gasket._x000D_
_x000D_
Improved the bore seal proof stress at high output and high boost by the redesigning the structure without upgrading the Head Bolt. (Bore seal pressure of the contacted surface was improved by 30%)_x000D_
_x000D_
In-house test at 900PS confirmed the durability and safety._x000D_
_x000D_
The compression ratio of HKS Head Gasket isÎµ9.0 which is the same as the factory ratio._x000D_
_x000D_
The Exhaust Manifold Gasket uses the 4-layer seal bead design (t=0.8). (The factory is 3-layer design (t=0.6)_x000D_
_x000D_
POINT-2_x000D_
_x000D_
To maintain the bore seal proof stress, the stopper's height was changed to 0.15mm from 0.10mm. Narrowing the width enables the high proof stress with the factory Head Bolt axial tension. Also, optimizing the bead plate's angle improved the seal pressure of the contacted surfaces of the oil and coolant seal parts without affecting the bore seal pressure of contacted surfaces. The surface of the gasket was fully coated instead of only bead part of the factory gasket's surface like the factory gasket. Fully coated gasket's surface can improve the rigid connection of the cylinder head and block when installing the gasket._x000D_
_x000D_
The Exhaust Manifold Gasket has the 4-layer bead plate comparing the factory 3-layer bead plate so the seal durability was improved to be used under high exhaust pressure._x000D_
_x000D_
The Performance requirement from Head Gasket._x000D_
_x000D_
As the cylinder block and head are not rigid body, when the Head Bolts are tightened, the gap between the surfaces and the surface pressure applied is not even across the whole surface. Moreover, due to combustion pressure and vibration while driving, the conditions are continually changing and the contact surface is being continually beaten. As a result, a good gasket must ensure that contact surface pressure is spread as evenly as possible and also adapt quickly to the ever changing gaps that can appear in the contact surface to maintain a good seal with good pressure.