ARP Upgraded Custom Age 625+ 3/8″ 1.6UHL Connecting Rod Bolts Set of 8

£300.00 incl VAT £250.00 ex VAT

ARP Custom Age 625+ Rod Bolts for 4 Connecting rods.



Product Features

  • ARP Custom Age 625+ Super-Alloy
  •  Typical tensile strength is 260,000-280,000 psi
  •  Fits all PRE rods with 3/8″ bolts
  • Reusable (no more than 3 times recommended)

This is for one upgraded rod bolt to replace the standard ARP 2000 alloy bolts shipped with all 3/8″ PRE Connecting Rods. For serious power builds, ARP’s 625 Plus super-alloy demonstrates superior fatigue cycle life, tensile strength, and complete resistance to corrosion and oxidation. ARP was the first manufacturer to develop and test the difficult manufacturing process for 625+ alloy for rod bolt use. The result is well worth the effort offering a new level of rod bolt reliability in extreme engine applications for less cost than lesser improved alloys. Push your performance VW or Audi engine with PRE Connecting Rods to the limits with ARP Custom Age 625+ alloy upgrade 3/8″ rod bolts!

Replacement Rod Bolt Kit

Rod Bolts – 3/8˝, 8-piece set
Kit #: 300-6703

MaterialCustom Age 625+
1) Thread Size3/8˝
2) UHL1.600˝
3) Thread Length0.600˝
4) Grip Length0.145˝
5) Head Height0.365˝
6) Socket Size7/16 12pt
7) Collar Dia.0.565˝

Additional information

Weight0.5 kg
Dimensions20 × 12 × 2 cm

ARP Fasteners


Engine build parts


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