Supertech Valve Springs Honda Civic Type R (FK8/FL5) K20C1

$345.00
SKU: SPR-H1003S-16
💬
Need help choosing the right part?

Not sure which option fits your application? Contact Us — we're happy to help.

$17.95 Flat Shipping
Australia-wide
100% Genuine Parts
Warranty backed
Aussie Support
Local team
Guaranteed Safe Checkout
  • American Express
  • Apple Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa
Supertech Valve Springs $345.00

Contact Support

Have a question about fitment? Send us a message.

Supertech Single Valve Springs – Honda K20C1 (SPR-H1003S-16)

The Supertech SPR-H1003S-16 Single Valve Springs are engineered for high-RPM and boosted Honda K20C1 applications, including the FK8 and FL5 Civic Type R. Designed to deliver consistent valve control under extreme conditions, these springs are ideal for turbocharged builds seeking improved valvetrain reliability without switching to dual springs.

Key Features

  • Optimised for high-RPM operation in turbocharged K20C1 engines
  • Reliable single spring design for reduced weight and friction
  • Compatible with factory or aftermarket retainers and valve components

Spring Specifications

  • Seat Pressure: 68 lbs @ 41.15mm
  • Open Pressure: 167 lbs @ 10mm lift
  • Maximum Valve Lift: 14.20mm
  • Coil Bind Height: 27.30mm
  • Spring Rate: 9.9 lbs/mm

Spring Dimensions

  • Outer Spring Inner Diameter: 16.30mm
  • Inner/Outer Spring: Single Spring Design

Vehicle Compatibility

  • Honda Civic Type R FK8 (2017–2021)
  • Honda Civic Type R FL5 (2023+)

Need Help Finding the Right Part?

We’ll Track It Down for You

We know how frustrating it can be searching for the right part. If it’s not listed on our site, that doesn’t mean we can’t source it.

Fill out the quick form below and our team will track it down for you.