GSC Subaru FA20/BRZ (STD) Stopper Intake Valve Guide - Set of 8

GSC Subaru FA20/BRZ (STD) Stopper Intake Valve Guide - Set of 8

Marsoni

M251S

$49.65

Get it in 3 business days with 1 day shipping. Friday, May 29

GSC Subaru FA20/BRZ (STD) Stopper Intake Valve Guide - Set of 8SKU: 3106 8 GSC Subaru FA20 BRZ (STD) Stopper Intake Valve Guide Set of 8 2013 2020 GSC stopper intake valve guides feature a built in stopper to keep the valve stem from dropping into the cylinder if the guide fails. These STD size guides fit Subaru BRZ Scion FR S and Toyota 86 models with FA20 engines. Built for high RPM and boosted applications they deliver dependable valve train operation. Key Features Stopper Design: Retains valve in place during

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Ran this for 5k and did oil analysis. It performed identically to Mobil 1 ESP 5w30. No issues, stayed in grade, nothing negative. That said, it was no better than ESP and wear metals were functionally the same as multiple other similar rated oils. It’s perfectly fine, but not better. It’s a great value. I wouldn’t use it for extended oil change intervals. No oil consumption noted.

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Reviewed in the United States on March 23, 2026

Verified Purchase

Carol

Waukegan, US

★★★★★ 5

Great oil

Size: 1 Quart Pack of 6

Love it.

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Reviewed in the United States on April 18, 2026

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