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GSC P-D Subaru EJ205/EJ207/EJ259 Manganese Bronze Intake Valve Guide Stopper Style - Set of 240

Marsoni M251S
Sale price$724.18
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GSC P-D Subaru EJ205/EJ207/EJ259 Manganese Bronze Intake Valve Guide Stopper Style - Set of 240SKU: B3026 GSC P D Subaru EJ205 EJ207 EJ257 Manganese Bronze Intake Valve Guide Stopper Style Set of 240 Upgrade your Subaru EJ205 EJ207 or EJ257 engine with GSC Power Division manganese bronze intake valve guide stoppers. These guides fit 2002 2021 Impreza WRX and STI models for reliable valve stem sealing during high RPM and boosted operation. The stopper style design delivers consistent guide height and extended service life in demanding
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4.5 ★★★★★
Based on 1375 reviews
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lori borger
Lake Worth, US
★★★★★ 5
OMG so much better than alternative products
Size: 14 gauge silicone wire 10ft and 10ft, Color: silicone wire red and black
went to my local box store and bought both multistrand and single strand to rewire a pedal. huge issues with flexibility. bought this product and ..what a pleasure. high quality, very very flexible and well packaged.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 4, 2024
C
Verified Purchase
chris s
Draper, US
★★★★★ 5
Good fit for Mercury 150 2 stroke!
This kit fit my Mercury 150 2 stroke great. Had all the parts needed to rebuild the water pump. Works well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 28, 2025
K
Verified Purchase
Kelsay Hooker
Fort Morgan, US
★★★★★ 5
Fits perfect
Perfect fit for my mercury xr2 blackmax 150
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
E
Verified Purchase
Earl Johnson
Houston, US
★★★★★ 5
It's good quality. I was happy.
It was package very well. The impeller felt of quality of course it could have been priced cheaper. I would buy it again. Then they ask u if it was easy to install. Hell no. Anyone that's had to changed one nos it sucks
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Reviewed in the United States on June 4, 2024
T
Verified Purchase
Tammy & Kevin VanHoozier
Lowell, US
★★★★★ 4
Great for Merc 200
Bought for my 1985 Mercury Black Max 200. Perfect fit! Only downside was no instructions included.
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Reviewed in the United States on August 11, 2025

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