GSC Power Division · New
GSC P-D Porsche GT3 CUP 996/997 Manganese Bronze STD Style Intake/Exhaust Valve Guide - SET OF 12
MPN 3997-12 · Store SKU gsc3997-12
Supplier stock checked 11/7/2026, 12:21:17 PM UTC. Adding a part does not reserve it.
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Product details
GSC P-D Porsche GT3 CUP 996/997 Manganese Bronze STD Style Intake/Exhaust Valve Guide - SET OF 12
Manufacturer fitment & guides
Check 3997-12 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y