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GSC Exhaust Valve Guide +.001" (Porsche 996 / 997 / Turbo 911) GSC3057.001-1

GSC Power Division Exhaust Valve Guide, +.001" Single (Porsche 996 / 997 / Turbo 911) - GSC3057.001-1

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Item#:
gsc3057.001-1
$6.71
Price: $5.70
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GSC +0.001" Exhaust Valve Guide for Porsche 996 / 997 Turbo 911 – GSC3057.001-1

The GSC3057.001-1 Oversized Exhaust Valve Guide is crafted for Porsche 996 and 997 Turbo 911 engines requiring a precise +0.001" fit. Manufactured by GSC Power Division, this guide offers enhanced durability and accuracy for high-performance valvetrain setups.

Fitment and Sizing Options

  • Standard size available individually or in sets of 12
  • Oversized options sold individually in +0.001" and +0.003" increments

Technical Specs – GSC3057

Specification Inches Millimeters
Total Length 1.690" 42.93mm
Outer Diameter 0.4157" 10.56mm
Valve Stem Diameter — 6mm

Upgrade your Porsche’s exhaust valvetrain with GSC’s precision +0.001" guide—built for performance and longevity.

Fitment:

- 2001 Porsche 911 Turbo (996)
- 2002 Porsche 911 Turbo (996)
- 2003 Porsche 911 Turbo (996)
- 2004 Porsche 911 Turbo (996)
- 2005 Porsche 911 Turbo (996)
- 2006 Porsche 911 Turbo (997)
- 2007 Porsche 911 Turbo (997)
- 2008 Porsche 911 Turbo (997)
- 2009 Porsche 911 Turbo (997)

CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov