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A cover that completely covers the stock regulator
ABS PLASTIC BODY
- Outside diameter widest point: 3"
hex wrenches
Ethanol resistant
Manley, valve spring kit. Std to .490" lift - 57-85 XL (NU) 504240 A cover that completely coversIncl. steel top collars and dual spring style valve springs. No machining required for installation. 20% more pressure than stock and suitable for stock to . 490" lift applications. Valve springs have an interference fit to reduce harmonics and control spring surge. Pressure: 85lbs@1. 310", 295lbs@. 820". Coil bind: . 790".
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