VANCE & HINES Intake Valve - Twin Cam 35-4520 Dusk 400 / Velvet 400 2003/2004 1-3/4" headpipes step up to

1-3/4" headpipes step up to 1-7/8" into the collector to increase flow and improve performance

D3O® offers increased durability while offering great impact protection whilst remaining low profile and lightweight Highly vented geometry offers a 45% improvement in breathability

Upgraded performance from stock exhaust

Hand-crafted American-made racing jersey

VANCE & HINES Intake Valve - Twin Cam 35-4520 Dusk 400 / Velvet 400 2003/2004 1-3/4" headpipes step up toFirst to introduce V Twin hollow stem 1. 900 and 2. 000 intake valves, an estimated 4 grams lighter than OE valve, ideal for higher revving engines Precision CNC machined from a stainless one piece forging for higher strength & durability High grade allows design to withstand high heat and maintain roundness Chrome coated Micro polished 7mm stem for smoother finish and less friction resulting in improved performance Multi angle back cuts for enhanced