Spool Valves

Spool Valves

Durable billet collectors with integrated spool valve functionality. Allows your twin scroll turbo to build boost earlier, and have lower back pressure at max power!
Typically 500-1000rpm wider boost operating range based on current dyno and track test data.
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Regular price $850.00
Sale price $850.00
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This durable billet spool valve collector with included turbosmart gate effectively allows running two different A/R ratios on your twin scroll T4 turbine housing turbo!Based on dyno and track test...
Regular price from $815.00
Sale price from $815.00
Regular price
Unit price
per 
This durable billet spool valve collector with included turbosmart gate effectively allows running two different A/R ratios on your twin scroll T4 turbine housing turbo!Based on dyno and track test...