Product Summary

3/8-24" Thread Pitch, 8740 Chromoly, Black Oxide

  • Designed to be up to 5x stronger than stock bolts
  • They have a 200,000 psi tensile strength
  • Forged from 8740 chromoly steel with a black oxide finish for added corrosion resistance
  • Bolts have rolled threads and large cold-formed fillets in the head-to-shank area
  • Can be torqued to 50 ft. lbs. and have a .0063 stretch
See more details

Key Specs

MFG. Part #134-6003
BrandARP
Thread Pitch3/8-24"
Material Type8740 Chromoly
FinishBlack Oxide
See more specs

Need To Know

Quick and Easy Returns

Return Policy

ARP 134-6003 Details

Unquestionably the most important fasteners in any engine are the connecting rod bolts, as they hold the key to the entire rotating assembly. ARP High Performance series rod bolts are forged from 8740 chromoly steel. They feature rolled threads and large cold-formed fillets in the head-to-shank area for increased strength.

  • Up to 5x stronger than stock bolts
  • 200,000 psi tensile strength
  • Black oxide finish
  • Complete set for 8 rods

Item Details

Torque Spec w/ Lube: 50 ft. lbs.
Stretch: .0063"

ARP 134-6003 Specifications

KEY SPECS
MFG. Part #134-6003
BrandARP
Thread Pitch3/8-24"
Material Type8740 Chromoly
FinishBlack Oxide
GENERAL
Tensile Strength200,000 psi
Connecting Rod Bolt Diameter3/8"
Head StyleHex
Sold in QuantitySet
GTIN Code672036001957

Ratings & Reviews

5

2 Reviews

Overall Assessment

Customers admire the sturdiness and practicality of our product, with positive mentions about its quality and durability. It seizes the preference for being exactly what they needed, surpassing competitors in meeting specific requirements. Customers relay the trust they gained and would eagerly repurchase. The rod bolts, in particular, had strong approval, being regarded as 'good bolts'.

5

2 reviews

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I would purchase again from Speedway Motors

5.0

a year ago

Andy

Duvall, WA

Verified

Just what I needed

Would Recommend

rod bolts

5.0

9 years ago

Nova man

Tulsa ok

Verified

Seemed to be good bolts

Would Recommend

Showing 2 of 2 reviews

Questions & Answers

2 Questions • 2 Answers

Do rods have to be resized if using these bolts

by Matt

• 2 years ago

1 answer

Are these arp bolts a direct fit? Or do the big ends of the rods need to be mashined?

by Ignorantguy

• 8 years ago

1 answer

2 of 2 questions shown

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