Twin XRP 71 Series Filters. 45 Micron pleated Stainless pre-filter followed by a 10 Micron Cellulose in an electronic injection ride. #xrp #xrpracing #xrpfittings #sprintcar #sema #nascar #nhra #offroadtruck #offroadracing #trophytruck #prerunner #raceengine #racecar

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