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Connecting Rod Bolt [M9 x 1.25, 40.6 mm UHL, Undercut, ARP2000 Alloy]
InfoVehicle Info Needed
ARPPART NUMBER: 070-301-6020

Connecting Rod Bolt [M9 x 1.25, 40.6 mm UHL, Undercut, ARP2000 Alloy]

$709
ShippingShips on 11/20/2026
Lowest PriceLowest Price Guarantee

Connecting Rod Bolt
  • M9 x 1.25 Thread
  • 40.6 mm Underhead Length
  • 12.1 mm Thread Length
  • 10 mm Wrench Size
  • Undercut Design
  • ARP2000 Alloy
  • Sold Individually

    Connecting rod bolts take the highest cyclic loads in the engine, and a stretched or fatigued bolt is one of the most common causes of a rod letting go. This ARP M9 x 1.25 rod bolt is precision machined and heat treated, with threads rolled after heat treat for far greater fatigue life than a factory bolt.

    ARP 301-6020 Connecting Rod Bolt Features:

    • Thread size: M9 x 1.25
    • Underhead length: 40.6 mm
    • Thread length: 12.1 mm
    • Head height: 8.1 mm
    • Wrench size: 10 mm
    • Collar diameter: 13.3 mm
    • Undercut shank for improved fatigue resistance
    • ARP2000 Alloy construction
    • Sold individually
    • Part TypeConnecting Rod Bolt
    BrandARP
    Part CategoryPerformance Parts
    UndercutYes
    Wrench Size10 mm
    Head Height8.1 mm
    Thread Length12.1 mm
    Underhead Length40.6 mm
    QuantitySold Individually
    MaterialARP2000 Alloy
    Thread SizeM9 x 1.25
    Part FitmentUniversal
    Vendor Part Number301-6020
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
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