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Use a 15W-40 (or 5W-40 in sub-zero conditions) with adequate zinc
will improve fuel economy and increase power by 50-70 RWHP over Stock
The OEM part has restrictive internal passages
000psi steel
Make valve spring maintenance and upgrades a straightforward process with this In-Engine Valve Spring Compressor—your go-to tool for quick
2019-2024 Cummins 6.7L Cooler Bypass Delete (1061527) 2003 - 2007 Ford Steering & Suspension Use a 15W-40 (or 5W-402019 2024 Cummins 6. 7L Cooler Bypass Delete (1061527) Debris in the stock cooler bypass valve can cause it to jam the internal valve keeping it in recirculation mode. When this happens the transmission temperature will rise and can lead to overheating and premature transmission failure. The BD 1061527 Cooler Bypass Delete keeps the transmission cooler operational all the time and eliminates this failure prone item.