BOLD MAGENTA part numbers are new for 2024 CHAINS PARTS-UNLIMITED.COM OFFROAD | 2024 691 SIZE AND TYPE WEAR LIFE INDEX AVG. TENSILE STRENGTH (LB.) MAXIMUM ENGINE CC STREET/DIRT STANDARD M420 100 4,000 125/90 M428 100 4,500 150/125 M520 100 6,800 250/250 M525 100 6,800 400/NA M530 100 6,800 400/NA HEAVY DUTY GB420MXZ 200 4,980 150/125 GB428MXZ1 200 6,070 150/150 SIZE AND TYPE WEAR LIFE INDEX AVG. TENSILE STRENGTH (LB.) MAXIMUM ENGINE CC STREET/DIRT HEAVY DUTY (CONT) GB420MXZ4 450 4,980 150/150 GB520MXZ5 450 8,500 NA/500 GB520EXW/520EXW 3,300 7,700 NA/750 SEALED RING 520XRE 3,500 8,200 800/800 GB520MXU 3,200 8,000 NA/500 RK CHAIN ORDER CHART • RK chain is available cut-to-length or in bulk in 25- and 100-ft. rolls; pre-cut lengths are individually boxed with a clip-type connecting link and all bulk rolls include clip-type connecting links RK CHAINS •All RK chains are pre-stressed and pre-stretched to ensure equal load distribution and minimal maintenance • They’re made of the highest grade, medium-carbon-alloy steel available, with all components shot-peened and heat-treated •RK chains are available cut-to-length and individually boxed with a clip-type connecting link STANDARD (M) •Heat-treated medium carbon alloy steel construction •All components heat-treated and shot-peened for maximum strength •Chains include clip connecting link M420 – CUT-TO-LENGTH OR BULK NO. OF LINKS STANDARD (NATURAL) SUG. RETAIL 72 1220-0391 $9.18 76 1220-0392 9.69 84 RKM42084 10.71 86 1220-0393 10.97 100 RKM420100 12.75 104 RKM420104 13.26 110 RKM420110 14.03 112 1220-0394 14.28 NO. OF LINKS STANDARD (NATURAL) SUG. RETAIL 114 RKM420114 $14.54 120 RKM420120 15.30 124 1220-0397 15.81 126 1220-0398 16.07 128 1220-0399 16.32 130 RKM420130 16.58 132 1220-0400 16.83 136 1220-0401 17.34 M428 – CUT-TO-LENGTH OR BULK NO. OF LINKS PART # SUG. RETAIL 100 1220-0403 $14.55 110 RKM428110 16.01 112 RKM428112 16.30 118 RKM428118 17.17 120 RKM428120 17.46 NO. OF LINKS PART # SUG. RETAIL 126 RKM428126 $18.33 130 RKM428130 18.92 132 RKM428132 19.21 134 1220-0404 19.50 136 1220-0405 19.79 M530 – CUT-TO-LENGTH NO. OF LINKS PART # SUG. RETAIL 118 RKM530118 $29.03 M420 CONNECTING LINK DESCRIPTION PART # SUG. RETAIL Clip connecting link R18-M422 $1.95 M428 CONNECTING LINK DESCRIPTION PART # SUG. RETAIL clip connecting link R18-M430 $1.95 M520 CONNECTING LINK DESCRIPTION PART # SUG. RETAIL 25’ R18-M521 $118.10 Clip connecting link R18-M522 1.95 M525 CONNECTING LINK DESCRIPTION PART # SUG. RETAIL Clip connecting link R18-M527 $1.95 M530 CONNECTING LINK DESCRIPTION PART # SUG. RETAIL Clip connecting link R18-M532 $1.95 M525 – CUT-TO-LENGTH NO. OF LINKS STANDARD SUG. RETAIL 110 RKM525110 $27.06 114 RKM525114 28.05 120 RKM525120 29.53 M520 – CUT-TO-LENGTH NUMBER OF LINKS PART # SUG. RETAIL 82 RKM52082 $20.18 84 RKM52084 20.67 86 RKM52086 21.16 88 RKM52088 21.65 90 RKM52090 22.14 92 RKM52092 22.64 96 RKM52096 23.62 98 RKM52098 24.11 100 RKM520100 24.60 102 RKM520102 25.10 NUMBER OF LINKS PART # SUG. RETAIL 104 RKM520104 $25.59 106 RKM520106 26.08 108 RKM520108 26.57 110 RKM520110 27.06 112 RKM520112 27.56 114 RKM520114 28.05 116 RKM520116 28.54 118 RKM520118 29.03 120 RKM520120 29.53 130 RKM520130 31.99 RK CHAINS continued on next page.
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