Ducati Panigale V4 Valve Springs from Japan
Dual high-rate beehive valve springs for Ducati Panigale V4 Desmosedici Stradale 1103cc V4 spark-ignition engine. Titanium retainers and optimized spring rates for 15,500 RPM redline. HTS 8409.91.99.90 classification for engine-specific valvetrain.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Document spring rates and installed heights specific to V4 Desmosedici cylinder heads,Include retainer compatibility specs proving sole engine application,Package as complete matched sets to maintain engine part status