GSC P-D Subaru EJ207/EJ257 Chrome Polished Super Alloy Exhaust Valve - 33mm Head (+1mm) - Set of 50

GSC P-D Subaru EJ207/EJ257 Chrome Polished Super Alloy Exhaust Valve - 33mm Head (+1mm) - Set of 50

Marsoni

M251S

$904.62

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

GSC P-D Subaru EJ207/EJ257 Chrome Polished Super Alloy Exhaust Valve - 33mm Head (+1mm) - Set of 50SKU: B2017 50 GSC P D Subaru EJ207 EJ257 Chrome Polished Super Alloy Exhaust Valve 33mm Head (+1mm) Set of 50 2002 2021 STI GSC Power Division exhaust valves deliver reliable performance for Subaru STI builds with EJ207 and EJ257 engines. This set of 50 features 33mm heads with +1mm stem length designed for 2002 2021 STI models including USDM WRX STI and JDM Impreza STI. Chrome polished finish reduces friction for better heat dissipation and smoother

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Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.

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Reviewed in the United States on February 26, 2024

Verified Purchase

Carl L. Bradley

Omaha, US

★★★★★ 1

Kinda flimsy…

Thought the assembly was metal, it’s some kind of PVC.

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Reviewed in the United States on September 22, 2025