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K and N Air Filter

Washable air filter of low restriction. Sized correctly to clamp directly on the inlet side of MAF sensor or a round air duct of similar diameter. 7.5 inches long.
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85407 for use with 1985-1989 Mass Air Flow Design All All All 68.86 59.95/each
Washable air filter of low restriction. Specially designed to clamp directly on the throttle body housing of TPI Manifolds. Oval in shape. 6.5 inches long w/ chrome plated tip.
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85408 for use with 1985-1992 Speed Density (mounts directly on throttle body) All All All 68.86 59.95/each
Specially designed for the LT-1 engine to clear the thermostat housing and provide mounting for the MAT sensor. (MAT sensor provided w/ the air cleaner)
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85409 for use with 1992-1997 LT-1 Speed Density (94-97 is normally MAF design) All All All 126.66 106.95/each