GSC Exhaust Valve Guide w/ Stopper 6mm - Set of 8 (Honda K20 / K24) GSC3021-8

GSC Exhaust Valve Guide Set – Honda K20/K24 – 6mm Stopper Style – Set of 8 – GSC3021-8

Precision-fit guides for high-performance Honda valvetrain builds

This set of eight 6mm exhaust valve guides from GSC Power Division is engineered for Honda K20 and K24 engines. Featuring a stopper-style design, these guides offer secure fitment and smooth valve operation under high-RPM conditions. Ideal for rebuilds, upgrades, or performance-focused applications.

Specs – GSC3021 Standard Size:

• Total Length: 1.795 in / 45.59 mm
• Outer Diameter: 0.4359 in / 11.07 mm
• Valve Stem Diameter: 6mm

Standard guides are available in sets of 8 or sold individually. Oversize options (+0.001" and +0.003") are also available for custom-fit builds requiring tighter tolerances.

Fitment:

- 2002–2004 Acura RSX Type-S
- 2005–2006 Acura RSX Type-S
- 2006–2011 Honda Civic Si
- 2004–2008 Acura TSX
- 2007–2008 Honda Accord EX (Manual only)
- 2003–2005 Honda Accord (USDM)
- 2003–2005 Honda Element
- 2006–2007 Honda Accord (USDM)
- 2006–2011 Honda Element

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