BOLD MAGENTA part numbers are new for 2026 CHAINS & DRIVE BELTS PARTS-UNLIMITED.COM STREET | 2026 1053 RK CHAIN FEATURES •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 530DR - CUT-TO-LENGTH OR BULK NO. OF LINKS PART # 120 RK-530DR-120 130 RK-530DR-130 140 RK-530DR-140 NO. OF LINKS PART # 150 1221-0166 160 1221-0167 170 1221-0168 NO. OF LINKS PART # 180 1221-0169 Clip connecting link R18532DR Rivet connecting link 1225-0471 530PRODR - CUT-TO-LENGTH OR BULK NO. OF LINKS PART # 120 1221-0159 130 1221-0160 140 1221-0161 NO. OF LINKS PART # 150 1221-0162 160 1221-0163 170 1221-0164 NO. OF LINKS PART # 180 1221-0165 Clip connecting link 1225-0469 Rivet connecting link 1225-0470 DRAG RACING CHAIN • 530ProDR, the latest and strongest drag racing chain in the industry: 11,880 lb. tensile strength for Pro Stock and Pro Street • 530DR, the lightest drag racing chain: 10,400 lb. tensile strength for up to 250 horsepower •These chains are designed for drag racing only and not recommended for street use
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