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GSC P-D Porsche 996/997 Turbo Manganese Bronze STD Style Exhaust Valve Guide - SET OF 12

Marsoni M251S
Sale price$74.47
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GSC P-D Porsche 996/997 Turbo Manganese Bronze STD Style Exhaust Valve Guide - SET OF 12SKU: 3057 12 GSC P D Porsche 996 997 Turbo Manganese Bronze STD Style Exhaust Valve Guide SET OF 12 GSC Power Division Manganese Bronze exhaust valve guides deliver direct replacement performance for Porsche 996 and 997 Turbo models with Mezger engines. This set of 12 covers all exhaust valves on the flat six DOHC setup providing essential support for high boost and high RPM operation. Engineered for precision fit these guides resist wear in demanding
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Jon.
Belleville, US
★★★★★ 3
Ehh??
Didn't work for my on my 17 hyundai accent with 90k on it. I poured the whole bottle in with a half tank of gas. And went for a 3 day italian tune up.... no dice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
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Verified Purchase
Juan Gonzalez
New York, US
★★★★★ 5
Works great
Follow instructions and it will work. Had a p420 code, caught it early used this. No more code and passed emissions
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Reviewed in the United States on May 10, 2026
M
Verified Purchase
Matt Teed
Los Angeles, US
★★★★★ 5
Actually works on BMW!
I purchased this after the shorter black fluted tool I bought last year failed me. This thing is way better constructed, fits perfect , and actually works to turn it after you can’t turn it by hand any further. Was able to get torqued down to 25nm no problem finally with ease!
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Reviewed in the United States on November 12, 2024
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Dak
Fort Morgan, US
★★★★★ 5
Works great
Works great
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Reviewed in the United States on May 26, 2025
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Dennis Nelson
Whiting, US
★★★★★ 5
Great product
Fits the whole filter cover all the way...and the metal is great quality
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Reviewed in the United States on May 26, 2025

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