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GSC P-D Porsche 996/997 GT3 Cup Manganese Bronze STD Style Intake/Exhaust Valve Guides - Set of 12

$74.47 $77.53
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GSC P-D Porsche 996/997 GT3 Cup Manganese Bronze STD Style Intake/Exhaust Valve Guides - Set of 12
$74.47 $77.53
$74.47 $77.53

Fits 1999-2011 Porsche 911 GT3 Cup (996 and 997 generations).

Engineered for the high-stress environment of Porsche GT3 Cup racing engines, these GSC Power-Division (P-D) valve guides are precision-machined from a manganese bronze alloy. This material offers superior thermal conductivity to pull heat away from the valve stem and provides excellent lubricity to minimize wear during sustained high-RPM operation.

These standard-style (STD) guides are designed for direct installation in both intake and exhaust positions. This set of 12 provides the necessary components for a comprehensive cylinder head refresh, ensuring precise valve stem alignment and optimized heat dissipation for high-performance track use.

  • Material: High-thermal conductivity Manganese Bronze
  • Position: Compatible with Intake and Exhaust valves
  • Sizing: Standard (STD) style profile
  • Quantity: Complete set of 12 guides
  • Manufacturer Part Number: 3997-12

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