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EK 630SHB-Z Top Fuel H-D Drag Chain

EK drag racing chains can rightfully be called the fastest chains in the world. Top Fuel champion Larry McBride set a world record E.T. of 5.80 seconds using the EK 630SHB chain. The EK 530DRZ has achieved a velocity of 344.048 mph on Sam Wheeler’s E-Z-Hook Streamliner at the Bonneville Salt Flats. The EK 530DRZ is also the choice of more top NHRA Pro Stock motorcycle racers than any other chain. All drag race chains are roller chain and do not have o-rings or x-rings.

EK 630SHB-Z  Top Fuel H-D Chain
The Chain for H-D Top Fuelers

Pingel Enterprise, Inc. and EK spent two years researching and developing the world’s strongest drive chain. With an unsurpassed 30,000-lb. tensile strength, the 630SHB-Z is specifically designed to handle the brutal horsepower of today’s V-twin top fuelers. To order, specify number of pins needed. Master link sold separately.
  Pitch Width Pin Dia. Pin Length Roller Dia. Plate Thickness Tensile Strength Wear Life Index Weight 100 Links   Connecting Link
Chain in.    mm    in.    mm    mm    mm    mm   Inner(mm)   Outer (mm)   lbs.    kN   Basis = 100 lbs.  kg   HP Max Std. Option
530DRZ  5/8   15.875   3/8   9.53    5.64    24.80    10.20    3.20    2.60   11,500    51.10    200  5.35    2.43    300    SKJ   MLJ
630MS  3/4    19.05   3/8   9.53    5.95    25.15    11.91    3.20    3.20   11,880    52.80    130  6.78    3.08    500    SPJ   PL
630SHB  3/4    19.05   3/8   9.53    7.50    27.70    11.91    4.00    3.20   15,800    70.20    200  9.52    4.33    500+    SPJ   PL
630SHB-Z   3/4    19.05   3/8   9.53    7.50    41.60    11.91    4.00    3.20   30,000   133.00    200  19.54    8.88    500+    SPJ   PL
630SHB-Z 630SHB-Z Chain per pin
6301SHB-Z Clip Style Master Link