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![Valve & Spring Package, Stainless Steel, GX390 with Dual Springs, Titanium Valve & Spring Package, Stainless Steel, GX390 with Dual Springs, Titanium](https://cdn11.bigcommerce.com/s-dz8cplpgcq/images/stencil/290x360/products/2787701/3125090/NR_NRVALVEPACK-390D__1__61845.1737522049.jpg?c=2)
Racing Valve and Spring Package for GX390
Includes:
*Note: Use single springs for up to 6500rpm & 306 TQ cam. Use dual springs for 306 RM and larger cams.
32mm valves may actually measure between 31.5mm and 32mm, depending on availability.
Racing Valve and Spring Package for GX390
Includes:
*Note: Use single springs for up to 6500rpm & 306 TQ cam. Use dual springs for 306 RM and larger cams.
32mm valves may actually measure between 31.5mm and 32mm, depending on availability.