BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | STREET CHAINS & DRIVE BELTS 1066 SR HEAVY-DUTY CHAIN NO. OF LINKS COLOR PART # 420 120 Natural K420SR-120 132 Natural K420SR-132 Clip connecting link Black K18-5258 428 100 Natural K428SR-100 118 Natural K428SR-118 120 Natural K428SR-120 124 Natural K428SR-124 130 Natural K428SR-130 NO. OF LINKS COLOR PART # 428 (CONT) 132 Natural K428SR-132 Clip connecting link Chrome K18-5027 520 100 Natural K520SR-100 110 Natural K520SR-110 114 Natural K520SR-114 116 Natural K520SR-116 120 Natural K520SR-120 Clip connecting link Natural K18-5031 NO. OF LINKS COLOR PART # 530 110 Natural K530SR-110 114 Natural K530SR-114 120 Natural K530SR-120 Clip connecting link Natural K18-5039 SPECIFICATIONS CHAIN TYPE TENSILE STRENGTH (LBS.) MAX ENGINE CC STREET/DIRT COLOR CONNECTING LINK TYPE CONNECTING LINK COLOR STANDARD 420 4,300 80/80 Natural Clip Natural 428 4,400 100/80 Natural Clip Natural 520 7,400 250/125 Natural Clip Natural 525 7,400 350/NA Natural Clip Natural 530 7,400 350/NA Natural Clip Natural 630 11,000 750/NA Natural Clip Natural SR HEAVY-DUTY 420 4,520 80/80 Natural Clip Black 428 4,900 125/80 Natural Clip Chrome 520 8,000 350/250 Natural Clip Natural 530 8,000 400/NA Natural Clip Natural STANDARD CHAIN NO. OF LINKS COLOR PART # 420 82 Natural K420-82 86 Natural K420-86 96 Natural K420-96 100 Natural K420-100 104 Natural K420-104 110 Natural K420-110 120 Natural K420-120 130 Natural K420-130 132 Natural K420-132 Clip connecting link Natural K18-5007 428 90 Natural K428-90 104 Natural K428-104 116 Natural K428-116 118 Natural K428-118 120 Natural K428-120 124 Natural K428-124 NO. OF LINKS COLOR PART # 428 (CONT) 126 Natural K428-126 130 Natural K428-130 132 Natural K428-132 Clip connecting link Natural K18-5011 520 90 Natural K520-90 100 Natural K520-100 110 Natural K520-110 114 Natural K520-114 116 Natural K520-116 120 Natural K520-120 130 Natural K520-130 Clip connecting link Natural K18-5015 525 120 Natural K525-120 Clip connecting link Natural K18-5019 NO. OF LINKS COLOR PART # 530 110 Natural K530-110 120 Natural K530-120 130 Natural K530-130 Clip connecting link Natural K18-5023 630 92 Natural K630-92 96 Natural K630-96 98 Natural K630-98 100 Natural K630-100 110 Natural K630-110 Clip connecting link Natural K18-5073 STANDARD AND HEAVY-DUTY NON-SEALED CHAINS •Super-economical roller chain •Standard chains have two-point pin riveting •Heavy-duty SR chains come with four-point riveting and solid bushings for longer wear • Special steel alloy, solid roller and pre-stretched, shot-peened parts •Comes with clip-type connecting link
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