HKS head gaskets for the 4G63 Evo 4-9 are available in 3 thicknesses to accomodate different compression ratios. Please select the proper gasket in the purchase menu.
Vehicle Fitment:
1996-2006 Evolution IV V VI VII VIII IX
Features:
• Multi-layer steel
• Resistant to heat and corrosion
• Fluorine rubber coating
Includes:
(1) Head Gasket
| Part Number: | Bore Size: | Thickness: | Compression Ratio: |
| 23001-AM003 | 86mm Bore | 1.0mm | 8.9:1 |
| 23001-AM004 | 86mm Bore | 1.2mm | 8.8:1 |
| 23001-AM005 | 86mm Bore | 1.6mm | 8.5:1 |
HKS Stopper Type Head Gasket:
A high pressure seal is formed around the combustion chamber through the use of stoppers which create a step within the gasket for optimum sealing. By making the stopper part of the plate also allows the fold to be smaller while maintaining structural integrity. One side of the plate is completely flat meaning that it can be layered with the stopper to allow stoppers to be used in even the tightest of locations around the combustion chamber forming a high quality seal. Compared with other gaskets of the same thickness, there are more layers in these gaskets giving flexibility which allows the gasket to maintain a good seal even when the engine tries to vibrate and move.
| Select Gasket: | 1.0mm (23001-AM003), 1.2mm (23001-AM004), 1.6mm (23001-AM005) |
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Orders that contain more than one item are assigned processing times according to each item.
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Returns
We do not manage the stock in our warehouse or factory. The levels of stock can change at any time. Please be aware that it's possible for your order to be out of stock after you have placed the order.
The policy is 30 days. If it's been longer than 30 days since you bought the item We're sorry to say that we can't offer you a full refund or exchange.
The item cannot be used, and it must be in its original condition. It must also still be in the original package.
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