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Water Pump Pulley Stud Kit [5/16-24 x 3.750 in., 2.500 in. Fan Spacer, 12-Point Nuts, Stainless Steel]
InfoVehicle Info Needed
ARPPART NUMBER: 070-400-3227

Water Pump Pulley Stud Kit [5/16-24 x 3.750 in., 2.500 in. Fan Spacer, 12-Point Nuts, Stainless Steel]

$3599
ShippingShips on 11/19/2026
Lowest PriceLowest Price Guarantee

Water Pump Pulley Stud Kit
  • 2.500 in. Fan Spacer
  • 5/16-24 Thread
  • 3/8 in. Wrench Size
  • 3.750 in. Overall Length
  • 12-Point Nuts
  • Stainless Steel, Polished Finish
  • Sold as a Kit

    Mounting a water pump pulley and fan spacer on studs instead of bolts makes installation easier and keeps the whole stack aligned while you tighten it down. This 5/16-24 stud kit is sized for a 2.500 in. fan spacer, with 12-point nuts for a clean, finished look.

    ARP 400-3227 Water Pump Pulley Stud Kit Features:

    • 2.500 in. Fan Spacer
    • Thread Size: 5/16-24
    • Wrench Size: 3/8 in.
    • Overall Length: 3.750 in.
    • 12-Point nuts
    • Stainless steel resists rust and corrosion
    • Polished finish
    • 4 pieces
    • Sold as a kit
    • Part TypeWater Pump Pulley Bolt
    BrandARP
    Part CategoryPerformance Parts
    QuantitySold as a Kit
    Overall Length3.750 in
    MaterialStainless Steel
    Thread Size5/16-24
    Part FitmentSemi Universal
    Nut Type12-Point
    FinishPolished
    Head Tool Size3/8 in
    Vendor Part Number400-3227
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning