Want to modify or upgrade your 99-00 Honda Civic Si (EM1) with aftermarket phenolic spacers? At ClubCivic.com we have a great selection of aftermarket performance parts for your 6th generation Honda Civic Si. We have 9 Phenolic Spacers available in our catalog and most have free shipping.
Skunk2 Racing Thermal IM Gasket
 372-05-0265
Skunk2 Honda and Acura Ultra Series Street / Race Thermal Intake Manifold Gasket B-Series 1999-2000 Honda Civic Si |
 372-05-0290
Skunk2 Acura B17A1 / Honda B16A2/A3 Thermal Intake Manifold Gasket 1999-2000 Honda Civic Si |
 907-05-0010
Skunk2 Ultra Series B Series Ultra Race Intake Manifold Runner Adaptor Gasket 1999-2000 Honda Civic Si |
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Skunk2 Racing Thermal TB Gasket
 372-05-0040
Skunk2 Acura B17A1, B18A1/B1/C1/C5 / Honda B16A2/A3, B20B/Z 68mm B-Series Thermal Throttle Body Gskt 1999-2000 Honda Civic Si |
 372-05-0050
Skunk2 Acura B17A1, B18A1/B1/C1/C5 / Honda B16A2/A3, B20B/Z 70mm B-Series Thermal Throttle Body Gskt 1999-2000 Honda Civic Si |
 372-05-0055
Skunk2 Honda / Acura B-D-H-F Series Thermal Pro Series Throttle Body Gasket 68mm 1999-2000 Honda Civic Si |
 372-05-0060
Skunk2 Honda/Acura 70mm (B/D/H/F) Pro Series Throttle Body Thermal Gasket 1999-2000 Honda Civic Si |
 372-05-0070
Skunk2 74mm B-Series Thermal Throttle Body Gasket - Skunk2 Throttle Body Only 1999-2000 Honda Civic Si |