This is the top of the line - the strongest; most durable sealed chain Moose Racing offers FB = Fine Blanking; an incredibly precise manufacturing process that yields perfectly cut links Tight tolerances make the plate; pin; and bushing union accurate and strong Due to the accuracy of the cuts and the use of 20percentonger steel the FB has Moose Racing`s highest tensile strength rating; nearly 8;000 lb. The FB uses special O-rings which are chemically treated to gain strength and reduce friction; this treatment allows the FB-rings to be impregnated with grease FB-rings are more durable than X-rings; with significantly less friction Gold links and rollers; silver inner plates; pins and bushings
520 FB O-RING CHAIN
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