Oldsmobile Oil Restrictor Main bearing oil gallery restrictors

★★★★★ 4.3 132 reviews

$65.00
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$65.00
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Product details

Management number 3271385 Release Date 2025/08/03 List Price $42.25 Model Number 3271385
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Main bearing oil gallery restrictors reduce oil supply to the top end of engine. set of 4 restrictors for No. 1, 2, 3, 4 main housing bore oil holes leading to the cam bearings.  Install restrictors with a 3/8 drift punch, knurling provides an interference fit, use with loctite.  Will work with 307-455 EXCEPT 403 engines


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4.3 out of 5
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132 ratings | 54 reviews
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