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HRB Whipple Fuel Factory

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K20A2/K20Z1 RSX Type-S 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
Please select your option.
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Items 1-12 of 106

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  1. Cometic MLS Head Gasket Honda Civic Si Acura RSX & Type S K20A1 K20A2 K20A3 K20Z1 88mm 0.051"
    SKU# C4312-051
    Cometic MLS Head Gasket Honda Civic Si Acura RSX & Type S K20A1 K20A2 K20A3 K20Z1 88mm 0.051"
    $107.24
    2 In Stock
    Specs
    Specs
    Head Gasket Bore Diameter 88mm (+0.080in Over)
    Head Gasket Thickness 0.051in / 1.3mm
    Head Gasket Material MLS
  2. Cometic MLS Head Gasket Honda Civic Si Acura RSX Base & Type S K20A1 K20A2 K20A3 K20Z1 86mm 0.030"
    SKU# C4300-030
    Cometic MLS Head Gasket Honda Civic Si Acura RSX Base & Type S K20A1 K20A2 K20A3 K20Z1 86mm 0.030"
    $107.24
    1 In Stock
    Specs
    Specs
    Head Gasket Bore Diameter 86mm (STD)
    Head Gasket Thickness 0.030in / 0.76mm
    Head Gasket Material MLS
  3. SCE Vulcan Cut-Ring Head Gasket Honda Civic Si RSX & Type S K20A1 K20A2 K20A3 K20Z1 87mm 0.051"
    SKU# SCE CR330188
    SCE Vulcan Cut-Ring Head Gasket Honda Civic Si RSX & Type S K20A1 K20A2 K20A3 K20Z1 87mm 0.051"
    $205.76
    2 In Stock
    Specs
    Specs
    Head Gasket Bore Diameter 87mm (+0.040in Over)
    Head Gasket Thickness 0.051in / 1.3mm
    Head Gasket Material Composite with Stainless O-Ring
  4. Cometic MLS Head Gasket Honda Civic Si Acura RSX & Type S K20A1 K20A2 K20A3 K20Z1 88mm 0.045"
    SKU# C4312-045
    Cometic MLS Head Gasket Honda Civic Si Acura RSX & Type S K20A1 K20A2 K20A3 K20Z1 88mm 0.045"
    $107.24
    2 In Stock
    Specs
    Specs
    Head Gasket Bore Diameter 88mm (+0.080in Over)
    Head Gasket Thickness 0.045in / 1.14mm
    Head Gasket Material MLS
  5. SCE Vulcan Cut-Ring Head Gasket Honda Civic Si RSX & Type S K20A1 K20A2 K20A3 K20Z1 88mm 0.040"
    SKU# SCE CR330169
    SCE Vulcan Cut-Ring Head Gasket Honda Civic Si RSX & Type S K20A1 K20A2 K20A3 K20Z1 88mm 0.040"
    $205.76
    1 In Stock
    Specs
    Specs
    Head Gasket Bore Diameter 88mm (+0.080in Over)
    Head Gasket Thickness 0.040in / 1.0mm
    Head Gasket Material Composite with Stainless O-Ring
  6. Cometic MLS Head Gasket Honda Civic Si Acura RSX & Type S K20A1 K20A2 K20A3 K20Z1 87mm 0.040"
    SKU# C4311-040
    Cometic MLS Head Gasket Honda Civic Si Acura RSX & Type S K20A1 K20A2 K20A3 K20Z1 87mm 0.040"
    $107.24
    Available
    Specs
    Specs
    Head Gasket Bore Diameter 87mm (+0.040in Over)
    Head Gasket Thickness 0.040in / 1.0mm
    Head Gasket Material MLS
  7. Cometic MLS Head Gasket Honda Civic Si Acura RSX Base & Type S K20A1 K20A2 K20A3 K20Z1 90mm 0.040"
    SKU# C14043-040
    Cometic MLS Head Gasket Honda Civic Si Acura RSX Base & Type S K20A1 K20A2 K20A3 K20Z1 90mm 0.040"
    $107.24
    Available
    Specs
    Specs
    Head Gasket Bore Diameter 90mm (+0.160in Over)
    Head Gasket Thickness 0.040in / 1.0mm
    Head Gasket Material MLS
  8. SpeedFactory MLSS-HP Head Gasket Honda Civic Si RSX Base Type-S K20A2 K20A3 K20Z1 88.5mm 0.040"
    SKU# SF-02-222
    SpeedFactory MLSS-HP Head Gasket Honda Civic Si RSX Base Type-S K20A2 K20A3 K20Z1 88.5mm 0.040"
    $109.72
    Available
    Specs
    Specs
    Head Gasket Bore Diameter 88.5mm (+0.100in Over)
    Head Gasket Thickness 0.100in / 2.5mm
    Head Gasket Material MLS
  9. SpeedFactory MLSS-HP Head Gasket Honda Civic Si RSX Base Type-S K20A2 K20A3 K20Z1 Z3 86.5mm 0.040"
    SKU# SF-02-220
    SpeedFactory MLSS-HP Head Gasket Honda Civic Si RSX Base Type-S K20A2 K20A3 K20Z1 Z3 86.5mm 0.040"
    $109.72
    Available
    Specs
    Specs
    Head Gasket Bore Diameter 86.5mm (+0.020in Over)
    Head Gasket Thickness 0.020in / 0.5mm
    Head Gasket Material MLS
  10. Cometic MLS Head Gasket Honda Civic Si Acura RSX & Type S K20A1 K20A2 K20A3 K20Z1 87mm 0.027"
    SKU# C4311-027
    Cometic MLS Head Gasket Honda Civic Si Acura RSX & Type S K20A1 K20A2 K20A3 K20Z1 87mm 0.027"
    $107.24
    Available
    Specs
    Specs
    Head Gasket Bore Diameter 87mm (+0.040in Over)
    Head Gasket Thickness 0.027in / 0.69mm
    Head Gasket Material MLS
  11. Cometic MLS Head Gasket Honda Civic Si Acura RSX Base & Type S K20A1 K20A2 K20A3 K20Z1 86mm 0.040"
    SKU# C4300-040
    Cometic MLS Head Gasket Honda Civic Si Acura RSX Base & Type S K20A1 K20A2 K20A3 K20Z1 86mm 0.040"
    $107.24
    Available
    Specs
    Specs
    Head Gasket Bore Diameter 86mm (STD)
    Head Gasket Thickness 0.040in / 1.0mm
    Head Gasket Material MLS
  12. Cometic MLS Head Gasket Honda Civic Si Acura RSX & Type S K20A1 K20A2 K20A3 K20Z1 88mm 0.030"
    SKU# C4312-030
    Cometic MLS Head Gasket Honda Civic Si Acura RSX & Type S K20A1 K20A2 K20A3 K20Z1 88mm 0.030"
    $107.24
    Available
    Specs
    Specs
    Head Gasket Bore Diameter 88mm (+0.080in Over)
    Head Gasket Thickness 0.030in / 0.76mm
    Head Gasket Material MLS
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Filters
Shopping Options
Price
Model
  1. Civic Si 02-05 EP3 106 items
  2. Civic Si 06-11 FA5 (Sedan) 3 items
  3. Civic Si 06-11 FG2 (Coupe) 3 items
  4. CR-V 02-06 RD4-RD9 1 item
  5. Element 07-11 1 item
  6. RSX Base 02-06 DC5 106 items
  7. RSX Type S 02-06 DC5 106 items
  8. TSX 04-08 CL9 1 item
  9. Accord 06-07 CM4-CM8 1 item
  10. Accord 03-05 1 item
  11. Element 03-06 1 item
Engine
  1. K20A1 99 items
  2. K20A2 106 items
  3. K20A3 106 items
  4. K20Z1 106 items
  5. K20Z3 3 items
Part Type
  1. Head Gaskets 106 items
  2. Head Studs 3 items
Brand
  1. Brian Crower 4 items
  2. Cometic 71 items
  3. Golden Eagle 8 items
  4. Point One / Cometic 3 items
  5. SCE 5 items
  6. Skunk2 6 items
  7. SpeedFactory 3 items
  8. Supertech 3 items
  9. Wiseco 3 items
Availability New
  1. In Stock / Available 30 items
Bore
  1. 86.5mm (0.020" Over) 2 items
  2. 86mm (Standard Bore) 16 items
  3. 87.5mm (0.060" Over) 7 items
  4. 87mm (0.040" Over) 28 items
  5. 88.5mm (0.100" Over) 4 items
  6. 88mm (0.080" Over) 20 items
  7. 89.5mm (0.140" Over) 4 items
  8. 89mm (0.120" Over) 21 items
  9. 90mm (0.160" Over) 3 items
  10. 91mm (0.200" Over) 1 item
Carb Legal
  1. N/A 4 items
  2. No 10 items
  3. Unspecified 92 items
Fastener Material
  1. 8740 Chrome Moly 3 items
Fastener Type
  1. Stud 3 items
Gasket Material
  1. MLS 101 items
  2. MLX 3 items
  3. Composite with Stainless O-Ring 2 items
Product Flags
  1. sale 2 items
Bore Diameter
  1. 86.5mm 2 items
  2. 86mm 16 items
  3. 87.5mm 7 items
  4. 87mm 28 items
  5. 88.5mm 4 items
  6. 88mm 20 items
  7. 89.5mm 4 items
  8. 89mm 21 items
  9. 90mm 3 items
  10. 91mm 1 item
Bore Oversize
  1. 0.020" / 0.5mm 2 items
  2. 0.040" / 1.0mm 28 items
  3. 0.060" / 1.5mm 7 items
  4. 0.080" / 2.0mm 20 items
  5. 0.100" / 2.5mm 4 items
  6. 0.120" / 3.0mm 21 items
  7. 0.140" / 3.5mm 4 items
  8. 0.160" / 4.0mm 3 items
  9. 0.200" / 5.0mm 1 item
  10. Standard Bore 16 items
Gasket Thickness
  1. 0.018" / 0.46mm 1 item
  2. 0.023" / 0.58mm 1 item
  3. 0.027" / 0.69mm 4 items
  4. 0.030" / 0.76mm 13 items
  5. 0.031" / 0.8mm 5 items
  6. 0.032" / 0.81mm 1 item
  7. 0.033" / 0.85mm 16 items
  8. 0.036" / 0.91mm 5 items
  9. 0.040" / 1.0mm 13 items
  10. 0.043" / 1.1mm 1 item
  11. 0.045" / 1.14mm 4 items
  12. 0.051" / 1.3mm 7 items
  13. 0.053" / 1.35mm 2 items
  14. 0.056" / 1.42mm 3 items
  15. 0.060" / 1.52mm 5 items
  16. 0.062" / 1.57mm 1 item
  17. 0.066" / 1.68mm 4 items
  18. 0.070" / 1.78mm 3 items
  19. 0.075" / 1.91mm 4 items
  20. 0.080" / 2.0mm 3 items
  21. 0.086" / 2.18mm 1 item
  22. 0.089" / 2.26mm 1 item
  23. 0.092" / 2.34mm 1 item
  24. 0.098" / 2.49mm 3 items
  25. 0.120" / 3.05mm 3 items
  26. 0.140" / 3.56mm 1 item
Availability
  1. In Stock 5 items
  2. Available 25 items
  3. Call 74 items
  4. Back Ordered 2 items

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