

Specifications
- Brand
- GSC Power Division
- Part #
- 3997.003-1
- UPC
- GSC3997.003-1

GSC P-D Porsche GT3 Cup 996/997 Intake/Exhaust Valve Guide Standard Style +.003in OD - Single
$6.18
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GSC Power Division intake/exhaust valve guide for Porsche GT3 Cup 996/997. Standard style, +.003in OD.
Key Features
- This listing is for a single valve guide.
- Designed for Porsche GT3 Cup 996 and 997 models.
- Standard style intake/exhaust valve guide.
- Features an outside diameter that is +.003 inches larger than stock.
- Helps ensure proper valve seating and sealing.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
This listing is for a single GSC Power Division intake/exhaust valve guide designed for Porsche GT3 Cup 996 and 997 models. It's a standard style guide with an outside diameter that's three-thousandths of an inch larger than stock, often used when re-honing or re-sizing the valve guide bore.
These guides are well-built for the demands of performance engines. The precise sizing helps ensure proper valve seating and sealing, which is critical for maintaining compression and optimal engine performance. When rebuilding or working on the top end of your Porsche GT3 Cup, using guides with the correct clearance is key to a solid rebuild.
Specifications
- Brand
- GSC Power Division
- Manufacturer Part #
- 3997.003-1
- UPC
- GSC3997.003-1
Frequently Asked Questions
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GSC P-D Porsche GT3 Cup 996/997 Intake/Exhaust Valve Guide Standard Style +.003in OD - Single
