Fits LS3-Style DBW Throttle Body - Cotton Gauze Element 120-521 dies-and-die-sets 4 V8 1967 - 1968

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Fits LS3-Style DBW Throttle Body - Cotton Gauze Element 120-521 dies-and-die-sets 4 V8 1967 - 1968Fits LS3 Style DBW Throttle Body Cotton Gauze Element RetroFilter air cleaners cleverly hide an LS drive by wire throttle body inside to maintain a low height and classic looks. Utilizing a hidden opening in the base to hide unsightly wiring from the throttle body, this trick air cleaner allows you to experience all the benefits of modern technology and keep the vintage look you want. Pair with any Holley intake manifold with a 4150 4610 square bore