Tomei Head Studs

Tomei Head Studs have been designed so that the bolting force is dispersed to all the screw threads and high bolting power is generated.

In order to secure the performance required of head gaskets, such as cooling, rigidity, and sealing, it is necessary to strengthen the combination of a cylinder head and a cylinder block. However, in combination with a common bolt and nut, bolting power concentrates on from third groove to the 1st groove of the screw, and the total bolting power cannot be increased beyond a certain value. Moreover, excessive stress is concentrated and may damage the bolt. Stud bolts, on the other hand, have been designed so that the bolting force is dispersed to all the screw threads and high bolting power is generated.

Features

  • BOLT STRETCH LIMITS
  • ROTATING SURFACE HEAT TREATMENT
  • ANGLE TORQUE BOLT TIGHTENING METHOD

Vehicle Part Price Order
RB26DETT
Size M12 P1.50 Bolts X 14, Nuts X 14
193003
USD $ 393.54
USD $ 444.42
RB26DETT
Size M12 P1.50 Bolts X 14, Nuts X 14
193003
USD $ 393.54
USD $ 444.42

Vehicle Part Price Order
4AGE
for 16V Only
Size: M10xP1.25, Bolt x10, Nut x10, Washer x10, Assembly Nut x4
193071
USD $ 289.58
USD $ 327.03
4AGE
for 16V Only
Size: M10xP1.25, Bolt x10, Nut x10, Washer x10, Assembly Nut x4
193071
USD $ 289.58
USD $ 327.03

Vehicle Part Price Order
4G63
Size M11 P1.50/M11 P1.25 Bolt X 14, Nut X 14, Washer X 10
193021
USD $ 423.24
USD $ 477.96
4G63
Size M11 P1.50/M11 P1.25 Bolt X 14, Nut X 14, Washer X 10
193021
USD $ 423.24
USD $ 477.96

Vehicle Part Price Order
SR20DET
Size M11 P1.50 Bolts X 14, Nuts X14
193018
DISCONTINUED
This part is no longer available
SR20DET
Size M11 P1.50 Bolts X 14, Nuts X14
193018
DISCONTINUED
This part is no longer available
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About Nengun Performance

Since the year 2000, Nengun Performance has supplied over 100,000 parts direct from Fukuoka, Japan to 150 countries worldwide. If you have any questions, our experienced and friendly customer service team is always happy to help, please send us an enquiry.

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