Skunk2 Alpha Series Valves Stock Size Standard Compression Honda Prelude H-Series VTEC 53521-S5A-003 each retainer is serialized for

each retainer is serialized for your protection

low weight properties and CNC machined for precision fitment

Programmable filtering and arming thresholds

The��APIO Shizuka Gozen Exhaust System consists of three pieces and is manufactured from stainless steel (with steel flanges)

Skunk2 Alpha Series Valves Stock Size Standard Compression Honda Prelude H-Series VTEC 53521-S5A-003 each retainer is serialized forSkunk2 Alpha Series Valves for the Honda H22 VTEC engines are manufactured from HNV 3 martensitic steel (IN) and EV8 austenitic steel (EX) one piece forgings. Each valve is heat treated using a proprietary process for extraordinary strength and durability and then hard chrome plated to further increase strength, significantly reduce friction, and increase corrosion resistance. Other valves may appear similar, but only Alpha Series Valves feature