Speedpro Speed Pro Pro-Series Plasma-Moly File Fit Ring 4.675" +.005" Bore, .043", .043", 3.00mm, Low Tension (SPR20106 005)

Pro-Series Plasma-Moly File Fit Ring Sets

Pro-Series ring sets are designed for serious racing, with several features that maximize horsepower potential. These rings are not recommended for street use! Most Pro Series sets incorporate reduced radial wall thickness rings for lower tension and enhanced sealing. They also use a very low tension, thin profile version of the SS50U, which includes a wire latch mechanism to simplify installation. This ring combination gives dependable sealing and allows maximum power production. A system creating a vacuum in the crankcase is highly recommended.

NOTE: All clearance item sales are final & are not returnable for credit or refund, descriptions are correct as per manufacture