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fueled by Colecovision
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Discussion Starter #1

Designed, engineered, and produced exclusively for Swamp's Diesel, by Spirolox.

These performance piston pin retainers are used exclusively in our stock & performance engine builds, and are recommended for any 7.3L performance application.

Includes 16 pin retainers.

Engineered to work with MAHLE pistons (should work with other brand pistons, check with your piston manufacurer/retailer if you are NOT using MAHLE pistons)

More information & testing results can be viewed here:
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