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Zipper’s 1999-2006 Twin Cam® Oil Bypass Shim Double click on above image to view full picture

Zipper’s 1999-2006 Twin Cam® Oil Bypass Shim

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As low as: $6.25

Price as configured: $0.00

Overview

The Twin Cam® engine features an oil pressure bypass passage within the cam support plate that is controlled by a spring-loaded plunger. The purpose of this passage is to allow excess oil pressure to be diverted back to the feed section of the oil system.

Price as configured: $0.00

Details

The Twin Cam® engine features an oil pressure bypass passage within the cam support plate that is controlled by a spring-loaded plunger. The purpose of this passage is to allow excess oil pressure to be diverted back to the feed section of the oil system. Inconsistencies in 1999-2006 spring length and passage machining can cause the plunger to open prematurely and/or not fully close the passage when it’s supposed to be closed, resulting in a loss of critical oil pressure and volume at lower RPM’s. This machined shim assures proper spring pre-load, improving oil pressure and volume. Use with factory or aftermarket oil pumps and cam plates.

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Additional Information

Brand Zipper's
Engine Type Twin Cam®
Model No
Year Range No
Transmission Type No
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