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Rock Blocker
The king of cool
Banks Turbo: 9
Allows you to Add or Remove Timing by RPM Range
The inner braid liner on this coupling protects the bellows from premature failure and eliminates the exhaust whistle that is common with inferior couplings
AirDog A4SPBC185 FP-100-4G Air/Fuel Separation System 2006-2007 Chevy/GMC Duramax 6.6 LBZ Rock BlockerImprove the fuel system on your 2001 2010 GM 6. 6L Duramax LB7 LLY LBZ LMM (Stock To Moderate) with the AirDog A4SPBC185 FP 100 4G Air Fuel Separation System from GAP. When you upgrade the components and the performance of your diesel engine, it demands improved fuel flow. Higher fuel flows increase the vacuum at the fuel pump and agitation in the fuel tank. This results in additional air vapor in the fuel system and prevents your engine from