Supertech 6.6mm valve stem seals fit 4G63 Evo, DSM, GVR4, 3000GT and Stealth. These are available with the standard OD for single valve springs or a reduced OD for use with Supertech’s dual valve springs. Reduced OD sizes also fit NON-VTEC B18/D16A1. Intake seals are brown, exhaust seals are blue. Sold individually as needed, price is for ONE seal.
Vehicle Fitment:
1992-2006 Evolution I-IX
1991-1999 3000GT VR-4
1991-1996 Stealth R/T
1990-1999 Eclipse GST/GSX
1990-1998 Talon TSi
1990-1994 Laser RS
1991-1992 Galant VR4
Details:
• The intake seals are brown (Polyacrylic)
• The exhaust seals are blue with an extra high temp additive (Viton Rubber)
• Both have a 6.6mm diameter
• 4G63 needs 8 intake and 8 exhaust seals
• 6G72 needs 12 intake and 12 exhaust seals
• Sold individually, check your quantity
• Please do all your research and consult your engine builder if necessary!
| Seal: | Size: | Spring Fitment: | Part Numbers: |
| Exhaust (Blue) | Standard OD Seal OD 14.8mm |
Single Spring Kits | VS-M6.6E VS-M6.6-E VS-M6.6E-8 |
| Intake (Brown) | Standard OD Seal OD 14.8mm |
Single Spring Kits | VS-M6.6I VS-M6.6-I VS-M6.6I-8 |
| Exhaust (Blue) | Reduced OD Seal OD 13.7mm Guide OD 12.07mm |
Dual Spring Kits | VS-H6.6E VS-H6.6-E VS-H6.6E-8 |
| Intake (Brown) | Reduced OD Seal OD 13.7mm Guide OD 12.07mm |
Dual Spring Kits | VS-H6.6I VS-H6.6-I VS-H6.6I-8 |
Reduced OD sizes also fit NON-VTEC B18/D16A1
1986-2001 Acura Integra
1988-1991 Honda Civic
1988-1991 Honda CRX
B18A1 B18B B18B B18B1 B18B1 D16A1
Notes:
Some Supertech parts have varying part numbers with slashes, dashes, spaces or quantities. Known alternates are listed for reference. 
