EK drag racing chains can rightfully be called the fastest chains in the world. Top Fuel champion Larry “Spiderman” McBride set a world record E.T. of 5.876 seconds using the EK 630SHB chain. The EK 530DRZ has achieved a terminal velocity of 338.269 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.
630SHB-Z: The Chain for H-D Top Fuelers With an unsurpassed 30,000-lb. tensile strengh, the 630SHB-Z is specificaly designed to handle the brutal horsepower of today’s V-twin top fuelers. Recommended application: V-twin top fuel drag racing Tensile strength: 30,000 lbs. Available lengths: cut to order though Pingel Enterprise
630SHB: World’s First Five-Second Chain The EK 630SHB offers a tensile strength of 15,800 lbs. and can be used on bikes with more than 500hp. The chain has a pin diameter of .295, the master plate measures .157. The pins are full diameter the full length of the pin. The pin groove is deeper and has a better quality clip to retain the master link plate. Recommended application: top fuel and funny bike drag racing Tensile strength: 15,800 lbs. Available lengths: cut to order though Pingel Enterprise
630MS: Tough Enough for up to 500hp The 630MS was specially designed for the “lighter” drag bike. It’s quad-staked, has a tensile strength of 11,880 lbs. and is rated for bikes up to 500hp. The pin diameter is .233", the side plates are .121" on the inside, outside and master. Recommended application: drag racing up to 500hp Tensile strength: 11,880 lbs. Available lengths: 110, 120, 130, 140, 150
530DRZ2: The Pro Stock Racer’s Choice Designed in conjunction with Pierre Elliott of Diamond Powersports, the EK 530DRZ is chosen by more top NHRA Pro Stock Bike competitors than any other chain. The reason is simple: When a championship is on the line, you can’t afford a failure. In 2004, Sam Wheeler used the 530DRZ in recording the fastest-ever terminal speed for a two-wheel vehicle: 338.269mph! Recommended application: drag racing up to 300hp Tensile strength: 11,500 lbs. Available lengths: up to 160 links
530DR2: For Sportsman and Streetbike Drag Racing EK is the acknowledged leader in drag chain technology, and now even streetbike racers can get the EK edge with the 530DR. Recommended application: drag racing up to 250hp Available colors: gold Tensile strength: 10,500 lbs. Available lengths: up to 160 links
530DRZ, 630SHB and 630SHB-Z are exclusively for drag racing and cannot be used on any street motorcycle.
Drag Racing Chain Applications By Horsepower
up to 250hp
530DR2
530DRZ2
up to 500hp
630MS
more than 500hp
630SHB
630SHBZ
Note: These are only general recommendations. Refer to your owner’s manual, the EK chain selector or check your current chain to determine the correct chain size for your bike.
