Seller notes

ebay - power valve - 57804.025 GENUINE weber POWER VALVE for DFV / DGV / DGS CARBS part # 57804.025 AN EXCELLENT QUALITY WEBER PART! Power valves aren't a part that fail very often and are kinda pricey which is why they aren't included the typical Redline rebuild kit. Power valves exist to enrichen the fuel mixture under full throttle which helps against pinging and detonation but also so the carb can run with lower emissions (and slightly better mpg) at lower rpms. Normally when these fail it's...

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