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EJ257 04-07 STi Head Gaskets

Use the questions below to help filter the results that are appropriate for your project. Or if you need help reach out to one of our experienced staff members to point you in the right direction!

Gasket Bore size: This can be the same as your piston bore size or 1 size up from that
Please select your option.
Gasket Thickness
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Items 1-12 of 138

Set Descending Direction
  1. Point One E190 8740 Head Studs Cometic MLS Head Gaskets 100mm 0.051" WRX 06-14 STI 04+ EJ255 EJ257
    SKU# K088-H01E/C4264-051
    Point One E190 8740 Head Studs Cometic MLS Head Gaskets 100mm 0.051" WRX 06-14 STI 04+ EJ255 EJ257
    $359.69
    3 In Stock
    Specs
    Specs
    Fastener Material 8740 Chrome Moly
    Fastener Type Stud
    Head Gasket Bore Diameter 100mm (+0.020in Over)
    Head Gasket Thickness 0.051in / 1.3mm
    Head Gasket Material MLS
  2. Cometic MLS Head Gasket Subaru WRX 2006-14 WRX STI 2004+ EJ255 EJ257 EJ25D EJ251 100mm Bore 0.051"
    SKU# C4264-051
    Cometic MLS Head Gasket Subaru WRX 2006-14 WRX STI 2004+ EJ255 EJ257 EJ25D EJ251 100mm Bore 0.051"
    $54.85
    6 In Stock
    Specs
    Specs
    Head Gasket Bore Diameter 100mm (+0.020in Over)
    Head Gasket Thickness 0.051in / 1.3mm
    Head Gasket Material MLS
  3. SCE MLS Spartan Head Gasket w/ Gas Stopper EJ251 EJ253 EJ255 03-05 STI 04-06 EJ257 101mm 0.037"
    SKU# SCE M338455GS
    SCE MLS Spartan Head Gasket w/ Gas Stopper EJ251 EJ253 EJ255 03-05 STI 04-06 EJ257 101mm 0.037"
    $84.74
    2 In Stock
    Specs
    Specs
    Head Gasket Bore Diameter 101mm (+0.060in Over)
    Head Gasket Thickness 0.037in / 0.95mm
    Head Gasket Material MLS
  4. Tomei MLS Head Gaskets Set Subaru WRX 2006-14 WRX STI 2004+ EJ255 EJ257 101mm Bore 1.0mm Thick
    SKU# TA4070-SB02B
    Tomei MLS Head Gaskets Set Subaru WRX 2006-14 WRX STI 2004+ EJ255 EJ257 101mm Bore 1.0mm Thick
    $120.00
    2 In Stock
    Specs
    Specs
    Head Gasket Bore Diameter 101mm (+0.060in Over)
    Head Gasket Thickness 0.040in / 1.0mm
    Head Gasket Material MLS
  5. Point One 220ksi Head Stud Kit Cometic MLS Head Gaskets 100mm 0.051" WRX 06-14 STI 04+ EJ255 EJ257
    SKU# K088-H01S/C4264-051
    Point One 220ksi Head Stud Kit Cometic MLS Head Gaskets 100mm 0.051" WRX 06-14 STI 04+ EJ255 EJ257
    $447.19
    3 In Stock
    Specs
    Specs
    Fastener Material AMS 6304
    Fastener Type Stud
    Head Gasket Bore Diameter 100mm (+0.020in Over)
    Head Gasket Thickness 0.051in / 1.3mm
    Head Gasket Material MLS
  6. SCE Pro Copper Head Gasket No Water Holes for 14mm Studs Subaru STI 04-06 EJ257 100.3mm 0.051" 1.3mm
    SKU# SCE P92785 Custom
    SCE Pro Copper Head Gasket No Water Holes for 14mm Studs Subaru STI 04-06 EJ257 100.3mm 0.051" 1.3mm
    $139.99
    4 In Stock
    Specs
    Specs
    Head Gasket Bore Diameter 100.3mm (+0.020in Over)
    Head Gasket Thickness 0.051in / 1.3mm
    Head Gasket Material Pro Copper
    Note No water holes, for dry block only. For 14mm Head Studs.
  7. Cometic MLS Head Gasket Subaru WRX 2006-14 WRX STI 2004+ EJ255 EJ257 EJ25D EJ251 100mm Bore 0.027"
    SKU# C4264-027
    Cometic MLS Head Gasket Subaru WRX 2006-14 WRX STI 2004+ EJ255 EJ257 EJ25D EJ251 100mm Bore 0.027"
    $54.85
    Available
    Specs
    Specs
    Head Gasket Bore Diameter 100mm (+0.020in Over)
    Head Gasket Thickness 0.027in / 0.69mm
    Head Gasket Material MLS
  8. Tomei MLS Head Gaskets Set Subaru WRX 2006-14 WRX STI 2004+ EJ255 EJ257 101mm Bore 0.7mm Thick
    SKU# TA4070-SB02A
    Tomei MLS Head Gaskets Set Subaru WRX 2006-14 WRX STI 2004+ EJ255 EJ257 101mm Bore 0.7mm Thick
    $120.00
    Available
    Specs
    Specs
    Head Gasket Bore Diameter 101mm (+0.060in Over)
    Head Gasket Thickness 0.028in / 0.7mm
    Head Gasket Material MLS
  9. Cometic MLS Head Gasket Subaru WRX 08-14 WRX STI 07+ EJ255 EJ257 101mm Bore 0.066" 1.68mm Thick
    SKU# C4574-066
    Cometic MLS Head Gasket Subaru WRX 08-14 WRX STI 07+ EJ255 EJ257 101mm Bore 0.066" 1.68mm Thick
    $79.01
    Available
    Specs
    Specs
    Head Gasket Bore Diameter 101mm (+0.060in Over)
    Head Gasket Thickness 0.066in / 1.68mm
    Head Gasket Material MLS
  10. Tomei MLS Head Gaskets Set Subaru WRX 2006-14 WRX STI 2004+ EJ255 EJ257 101mm Bore 1.5mm Thick
    SKU# TA4070-SB02D
    Tomei MLS Head Gaskets Set Subaru WRX 2006-14 WRX STI 2004+ EJ255 EJ257 101mm Bore 1.5mm Thick
    $120.00
    Available
    Specs
    Specs
    Head Gasket Bore Diameter 101mm (+0.060in Over)
    Head Gasket Thickness 0.059in / 1.5mm
    Head Gasket Material MLS
  11. Cometic MLS Head Gasket Subaru WRX 08-14 WRX STI 07+ EJ255 EJ257 101mm Bore 0.040" 1.0mm Thick
    SKU# C4574-040
    Cometic MLS Head Gasket Subaru WRX 08-14 WRX STI 07+ EJ255 EJ257 101mm Bore 0.040" 1.0mm Thick
    $54.85
    Available
    Specs
    Specs
    Head Gasket Bore Diameter 101mm (+0.060in Over)
    Head Gasket Thickness 0.040in / 1.0mm
    Head Gasket Material MLS
  12. Cometic MLS Head Gasket Subaru WRX 08-14 WRX STI 07+ EJ255 EJ257 101mm Bore 0.030" 0.76mm Thick
    SKU# C4574-030
    Cometic MLS Head Gasket Subaru WRX 08-14 WRX STI 07+ EJ255 EJ257 101mm Bore 0.030" 0.76mm Thick
    $54.85
    Available
    Specs
    Specs
    Head Gasket Bore Diameter 101mm (+0.060in Over)
    Head Gasket Thickness 0.030in / 0.76mm
    Head Gasket Material MLS
Page
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Filters
Shopping Options
Price
Model
  1. STi 04-07 GD 138 items
  2. STi 08-14 GR 59 items
  3. STi 15-21 VA 59 items
  4. WRX 06-07 GD 33 items
  5. WRX 06-07 GG 33 items
  6. WRX 08-14 GR 59 items
Engine
  1. EJ25 DOHC Non-Turbo 100 items
  2. EJ25 SOHC Non-Turbo 100 items
  3. EJ255 138 items
  4. EJ257 138 items
  5. EJ257B 59 items
Part Type
  1. Head Gaskets 138 items
  2. Head Studs 4 items
Brand
  1. Brian Crower 1 item
  2. Cometic 49 items
  3. Point One / Cometic 4 items
  4. SCE 76 items
  5. Supertech 3 items
  6. Tomei 4 items
  7. Wiseco 1 item
Availability New
  1. In Stock / Available 26 items
Bore
  1. 100mm (0.020" Over) 50 items
  2. 101.5mm (0.080" Over) 21 items
  3. 101mm (0.060" Over) 40 items
  4. 102mm (0.100" Over) 2 items
  5. 103mm (0.140" Over) 22 items
Carb Legal
  1. No 10 items
  2. Unspecified 128 items
Fastener Material
  1. 8740 Chrome Moly 2 items
  2. AMS 6304 2 items
Fastener Type
  1. Stud 4 items
Gasket Material
  1. MLS 52 items
  2. MLX 14 items
  3. Copper 64 items
  4. Composite with Stainless O-Ring 4 items
Product Flags
  1. sale 2 items
Bore Diameter
  1. 100mm 50 items
  2. 101.5mm 21 items
  3. 101mm 40 items
  4. 102mm 2 items
  5. 103mm 22 items
Bore Oversize
  1. 0.020" / 0.5mm 50 items
  2. 0.060" / 1.5mm 40 items
  3. 0.080" / 2.0mm 21 items
  4. 0.100" / 2.5mm 2 items
  5. 0.140" / 3.5mm 22 items
Gasket Thickness
  1. 0.021" / 0.53mm 3 items
  2. 0.027" / 0.69mm 2 items
  3. 0.028" / 0.7mm 2 items
  4. 0.030" / 0.76mm 2 items
  5. 0.032" / 0.81mm 9 items
  6. 0.036" / 0.91mm 3 items
  7. 0.037" / 0.95mm 2 items
  8. 0.040" / 1.0mm 10 items
  9. 0.043" / 1.1mm 9 items
  10. 0.044" / 1.12mm 2 items
  11. 0.045" / 1.14mm 2 items
  12. 0.047" / 1.2mm 4 items
  13. 0.050" / 1.27mm 10 items
  14. 0.051" / 1.3mm 10 items
  15. 0.052" / 1.32mm 2 items
  16. 0.056" / 1.42mm 2 items
  17. 0.059" / 1.5mm 2 items
  18. 0.060" / 1.52mm 5 items
  19. 0.062" / 1.57mm 9 items
  20. 0.066" / 1.68mm 2 items
  21. 0.070" / 1.78mm 2 items
  22. 0.072" / 1.83mm 9 items
  23. 0.075" / 1.9mm 1 item
  24. 0.075" / 1.91mm 1 item
  25. 0.080" / 2.0mm 11 items
  26. 0.084" / 2.13mm 1 item
  27. 0.086" / 2.18mm 1 item
  28. 0.089" / 2.26mm 1 item
  29. 0.092" / 2.34mm 1 item
  30. 0.093" / 2.36mm 9 items
  31. 0.095" / 2.41mm 1 item
  32. 0.098" / 2.49mm 2 items
  33. 0.120" / 3.05mm 2 items
  34. 0.140" / 3.56mm 1 item
Availability
  1. In Stock 6 items
  2. Available 20 items
  3. Call 111 items
  4. Back Ordered 1 item

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