Apparel
Rods Pistons
BMW N55/S55 - ECONOMICAL "H" BEAM STEEL CONNECTING RODS

  • Manufactured from 4340 forgings
  • Heat treated, stress relieved, shot peened and 100% individually magnafluxed
  • Weight matched sets + 1.5 grams
  • Cap fasteners are 3/8" ARP 2000
  • Flywheel horsepower range for these rods in a 6 cylinder application the range is 800+
Part # Center-to-Center Big End Bore Big End Width Pin Diameter Pin Bore Gram Weight
  N55/S55 (2009-up)
14079-6 6 5.683" 2.110" .823" .866" (22mm) .8671" 565
BMW N54B30 - Pro Series I-Beam Turbo Tuff ® Rods

  • Forged from 4340 aircraft quality vacuum degassed material
  • Shot peened after machining to MIL spec and 100% individually magnafluxed
  • Specifically designed to handle high horsepower applications when using turbos and/or nitrous
  • Fasteners are 3/8"
  • Flywheel horsepower range for these rods in a 6 cylinder application the range is 1,250+.
ARP 2000
Part #
ARP 625+
Part #
Center-to-Center Big End Bore Big End Width Pin Diameter Pin Bore Gram Weight
   N55/S55 (2009-up)
14449-6 14449R6-6 5.683" 2.110" .823" .866" (22mm) .8671" 555
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