

ARP Upgraded Custom Age 625+ 3/8 1.5UHL Connecting Rod Bolts
ARP CUSTOM AGE 625+ HIGH RPM CONROD BOLTS
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)
Replace the standard ARP 2000 alloy bolts shipped with most 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 to the limits with ARP Custom Age 625+ alloy upgrade 3/8″ rod bolts!
Replacement Rod Bolt Kit
Specifications | |
---|---|
Material | Custom Age 625+ |
1) Thread Size | 3/8˝ |
2) UHL | 1.500˝ |
3) Thread Length | 0.550˝ |
4) Grip Length | 0.145˝ |
5) Head Height | 0.388˝ |
6) Socket Size | 7/16 12pt |
7) Collar Dia. | 0.555˝ |
Pairs well with

ARP Upgraded Custom Age 625+ 3/8 1.5UHL Connecting Rod Bolts
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