Designed for high rpm, Brian Crower valve springs are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary...
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Designed for high rpm, Brian Crower valve springs are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary...
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These are the Brian Crower Steel Spring and Retainer Kit. These have been designed for those of you who are adding more power and boost, where your...
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The Brian Crower Valve Spring and Retainer Kit is designed for high rpm use. Brian Crower valve springs are wound from only the highest grade, supe...
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GSC Power-Division Beehive valve springs use an ovate wire which utilizes advanced material heat treatment methods for superior load loss capabilit...
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Save $2.51
GSC Power-Division Viton Valve Stem Seals for the WRX & STI include the entire 6mm valve size seal set (8 intake and 8 Exhaust)so you will have...
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When upgrading your valves it is a must to also upgrade the valve springs and retainers. Manley's valve springs are wound using the cleanest alloy ...
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When upgrading your valves it is a must to also upgrade the valve springs and retainers. Manley's valve springs are wound using the cleanest alloy ...
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The Manley Performance Valve Spring and Retainer Kit has been designed to accommodate high-lift cams, and to allow users to surpass OEM rev limitat...
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The Manley Performance Valve Spring and Retainer Kit has been designed to accommodate high-lift cams, and to allow users to surpass OEM rev limitat...
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Subaru OEM Replacement