OTR Filters Round Pit Tuning Air Filter Element - 6.625 in Diameter - 3 in Tall - Gray - Holley 4150 Flange Rocker Cover 7/8-14 in Left Hand Female

7/8-14 in Left Hand Female Thread

Reduces need for octane by up to two points

5 db Gain for excellent range

Resists Wicking

Manager at Keizer Aluminum Wheels Inc

OTR Filters Round Pit Tuning Air Filter Element - 6.625 in Diameter - 3 in Tall - Gray - Holley 4150 Flange Rocker Cover 7/8-14 in Left Hand FemaleProduct Description: Air Filter Element Round Pit Tuning 6. 625 in Diameter 3 in Tall Paper Gray Holley 4150 Flange Sold Individually US based OTR Filters was founded on developing air filtration solutions that help engines breathe easier, run faster, and perform at their best. With a wide range of filters for everything from street performance to hardcore racing, OTR Filters combines excellent performance with maximum engine protection.