Valve & Spring Package, Stainless Steel, GX390 with Single Springs

Racing Valve and Spring Package for GX390

Includes:

• 36mm SS Lightweight Intake
• 32mm SS Exhaust Valve
• Single Springs
• Aluminum Retainers
• Split Keepers
• Lash Caps

*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.