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2001-2016 Duramax Manton Conical Valve Spring Kit (D-105-KIT-Dmax) 1994 - 2000 GM Exhaust Systems The factory STC fitting is

SKU: 81571896967

4.2
USD545.68 USD576.68

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Description

The factory STC fitting is known to crack and break causing stalling

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2001-2016 Duramax Manton Conical Valve Spring Kit (D-105-KIT-Dmax) 1994 - 2000 GM Exhaust Systems The factory STC fitting is2001 2016 Duramax Manton Conical Valve Spring Kit (D 105 KIT Dmax) Manton proudly presents a high performance valve spring assembly for Duramax platforms. This kit ensures superior valvetrain stability with springs, billet steel retainers, chromoly spring cups, and valve locks. It suits applications from stock rebuilds to race setups. We engineered these springs to handle high boost and increased RPM capability. We optimized the spring shape for

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