MMR 3000 9/16 to 1/2 4.6 / 5.4 / 5.0 Coyote Race Headstuds kit

MMR 3000 9/16" to 1/2" Race Head stud kit

End head gasket failure on high HP 1500-4000HP Modular applications with this custom stud kit from MMR. This kit is a much larger stud that accepts up to 140lbs torque vs 85lbs on a std ARP head stud. Requires block to be tapped for 9/16 at deck surface. As used by Team MMR World Record Holder. Honing cylinder after installation highly recommended. Also Fits MMR Gen X Billet Blocks.


220,000psi Tensile Strength Material
Proven Beyond 4000hp
Includes ARP Nuts and Washers
Increased Torque rating
Strongest Stud available for the Ford Modular / Coyote Engine

Genuine ARP product Manufactured exclusively for MMR. If it doesnt say MMR on the top of the stud it is a Generic copy and not designed specifically for the Ford Modular or Coyote engine!! Get the original, get the proven, get the best, get the strongest, get MMR.

Torque Specs:
Factory Aluminum Blocks 115 FT LBS
MMR Billet Blocks 125 FT LBS
  • Model: 430020
  • Manufactured by: MMR


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