NZ Super DID 428 Chain - Non O-Ring - Black or Gold BCK421 If you purchase the kit

If you purchase the kit to install yourself

237 dual pattern lift at cam230 / 228 degrees duration

a stainless steel mid-pipe that is MIG/TIG welded and has space age internal packingLighter

and top power over a single diameter

found HERECRF100F | 04-13

NZ Super DID 428 Chain - Non O-Ring - Black or Gold BCK421 If you purchase the kitGOLD = 124 Link BLACK = 132 Link Choose from the drop down menu Details: Highest quality of non O ring chain in overall combined performance. DIDs professional high performance non O ring chain. DHA pin treatment hard chromium carbide layer formed on pin surface. Far better wear resistance than other chains. Up to 19% higher tensile strength. Increased anti oxidation performance. Solid bushings, quad riveted pins. Has thicker side plates for added