Oldsmobile 307/350/403/425 Connecting Rod Bolt Set (Black Oxide, Hex Head) by ARP®
Heat-treated 8740 chromoly rod bolts use rolled threads for durable connecting-rod retention.
For Oldsmobile 307/350/403/425, Black Oxide, Hex Head, these ARP® connecting-rod bolts are manufactured from heat-treated 8740 chromoly steel with threads rolled after heat-treating for improved fatigue strength. ARP recommends checking rod-bolt stretch during installation; the exact stretch and torque values are specific to the kit part number.
• Product: Connecting Rod Bolt Set
• Engine application: Oldsmobile 307/350/403/425, Black Oxide, Hex Head
• Material: 8740 chromoly steel
• Threads: Rolled after heat-treat
• ARP stretch specification: .0060-.0065 in.
• ARP Ultra-Torque torque specification: 50 lb-ft
Notes
- This item is not eligible for any further discounts or promotional pricing.
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
