SpeedFactory Racing Viton Valve Stem Seal Kit (Complete – Intake & Exhaust)
For Honda/Acura B‑Series, K‑Series, D‑Series, H/F‑Series VTEC, F20C/F22C
Ensure your engine runs clean and efficient with the SpeedFactory 5.5 mm Viton valve stem seals—engineered for extreme durability under performance and race conditions. These seals offer unmatched protection against heat, oil, and aggressive fuels while delivering OEM-level fitment and performance.
🔧 Key Features:
Made from premium Viton® rubber, resistant to heat up to 400 °F, fuels, oils, and chemical abrasion
Hybrid Racing
+7
SpeedFactoryRacing
+7
JHPUSA
+7
TransLab Performance Transmissions LLC
Available as a complete kit (8 intake + 8 exhaust) or individually for intake-only (silver spring) or exhaust-only (black spring)
SpeedFactoryRacing
+6
SpeedFactoryRacing
+6
LogoMotorsports
+6
Perfect for high-RPM, boosted, or street/track builds—maintains performance even under extreme conditions
SpeedFactoryRacing
Hybrid Racing
🚗 Compatible With:
Honda & Acura engines with 5.5 mm valve stems:
B‑Series VTEC
K‑Series
D‑Series
H/F‑Series VTEC
F20C / F22C (S2000)
JHPUSA
+7
SpeedFactoryRacing
+7
Hybrid Racing
+7
LogoMotorsports
+5
Hybrid Racing
+5
TransLab Performance Transmissions LLC
+5
🔍 Benefits:
Prevents oil burning and reduces smoke at startup
Extends valve guide life
Maintains clean combustion under high-stress driving
Built tough for turbo, NA, or forced induction applications
📦 Package Options:
✅ Complete Seal Kit: 16 seals (8 intake, 8 exhaust)
✅ Intake Only: Set of 8 seals (silver springs)
✅ Exhaust Only: Set of 8 seals (black springs)
🛠️ Installation Tips:
Clean valve stem & guide before install.
Use proper valve seal installer tool.
Verify spring tension and seal seating during assembly.
