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TOMEI

Tomei HEAD GASKET 4G63 EVO4-9 86.5-1.2mm

Tomei HEAD GASKET 4G63 EVO4-9 86.5-1.2mm

SKU: 1352865121
£217.67
£217.67
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PRODUCT INFO

APPLICATION BORE THICKNESS P/N MATERIAL STRUCTURE
4G63
Evo.4-9		 φ86.5 1.0mm 1352865101 Metal Super Grommet
1.2mm 1352865121
1.2mm 1352865151
1.8mm 1352865181

FEATURE / SPEC

■ SUPER GROMMET DESIGN


The sealing performance has been improved considerably with the super grommet,to suit these engines and has been proven to brliver excellent relibility.
SUPER GROMMET TYPE
The dual sealing method of the bead structure & metal grommet, provides maximum sealing for the coolant, oil & gases around the bore circumference.


■ Durable stainless steel made


The bead top pry is made of durable but flexible SUS301.
High heat radiation character of SUS301 helps transferring heat of the head and the block to coolant efficiently and prevents heat spots which causes gasket blow.
SUS301 is also known for its tensile strength and it helps the beads to keep sealing the head and cylinder which repeat heat expansion and shrink all the time. This structural strength also improves torsional rigidity of the whole engine by improving coupling rigidity of the head and the block.


■ ABOUT MARKING

All our metal head gaskets are laser marked with Models, Bores, Thickness, and TOMEI POWERED INC. company name.
Since there are similar/counterfeit goods on market, please make sure logos on Gasket.
Sample Compression Ratio
●4G63(EVO IV – VII)
GASKETφ86.0 PSITON STD φ85.0 PSITON TOMEI φ85.5 PSITON TOMEI φ85.5(2.2L)
1.0mm Approx.8.6 Approx.9.0 Approx.8.4
1.2mm Approx.8.5 Approx.8.9 Approx.8.3
Values of the sample compression ratios are calculated out based on the factory spec data.
Adjustment of the compression ratio must be based on the measurement of the actual engine.
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