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Lower Pulley Bolt Kit for Small Block Chevy and Big Block Chevy Engines [3-Bolt, 3/8-16, Hex, Stainless Steel, Polished]
InfoVehicle Info Needed
ARPPART NUMBER: 070-430-6804

Lower Pulley Bolt Kit for Small Block Chevy and Big Block Chevy Engines [3-Bolt, 3/8-16, Hex, Stainless Steel, Polished]

$1199
ShippingShips on 11/19/2026
Lowest PriceLowest Price Guarantee

Lower Pulley Bolt Kit
  • Small Block Chevy and Big Block Chevy Engines
  • 3-Bolt
  • 3/8-16 Thread
  • 0.750 in. Underhead Length
  • 3/8 in. Wrench Size
  • Hex Head
  • Washers Included
  • Stainless Steel, Polished Finish
  • Sold as a Kit

    Lower pulley bolts carry the full load of the crank pulley and belt drive, and a loose or stretched bolt can throw a belt at high rpm. This ARP lower pulley bolt kit for Small Block Chevy and Big Block Chevy engines uses premium fasteners nominally rated to 180,000 psi, with stainless steel construction and a polished finish.

    ARP 430-6804 Lower Pulley Bolt Kit Features:

    • Fits Small Block Chevy and Big Block Chevy engines
    • 3-bolt kit
    • Thread size: 3/8-16
    • Underhead length: 0.750 in.
    • Wrench size: 3/8 in.
    • Hex head design
    • Nominally rated to 180,000 psi
    • Washers included
    • Stainless steel with polished finish
    • Sold as a kit
    • Part TypeCrankshaft Pulley Bolt
    BrandARP
    Part CategoryPerformance Parts
    Wrench Size3/8 in
    Washers IncludedYes
    Underhead Length0.750 in
    QuantitySold as a Kit
    MaterialStainless Steel
    Thread Size3/8-16
    Part FitmentSemi Universal
    Head StyleHex
    FinishPolished
    Vendor Part Number430-6804
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
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