Water Pump Pulley Stud Kit [5/16-24 x 4 in., 2.750 in. Fan Spacer, 12-Point Nuts, 8740 Chromoly]

Name: Water Pump Pulley Stud Kit [5/16-24 x 4 in., 2.750 in. Fan Spacer, 12-Point Nuts, 8740 Chromoly]
Brand: ARP
SKU: 070-100-3228
Price: 27.99 USD
Availability: InStock

^$27⁹⁹

Ships on 11/10/2026

Lowest Price Guarantee

Water Pump Pulley Stud Kit

2.750 in. Fan Spacer

5/16-24 Thread

3/8 in. Wrench Size

4 in. Overall Length

12-Point Nuts

8740 Chromoly Steel, Black Oxide 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 2.750 in. fan spacer, with 12-point nuts for a clean, finished look.

ARP 100-3228 Water Pump Pulley Stud Kit Features:

2.750 in. Fan Spacer
Thread Size: 5/16-24
Wrench Size: 3/8 in.
Overall Length: 4 in.
12-Point nuts
Heat-treated chromoly steel with black oxide finish
4 pieces
Sold as a kit

Part TypeWater Pump Pulley Bolt

BrandARP

Part CategoryPerformance Parts

QuantitySold as a Kit

Overall Length4 in

Material8740 Chromoly Steel

Thread Size5/16-24

Part FitmentSemi Universal

Nut Type12-Point

FinishBlack Oxide

Head Tool Size3/8 in

Vendor Part Number100-3228

Package Qty1

Package TypeEA

Some parts are not legal for use in California or other states with similar laws / regulations

Water Pump Pulley Stud Kit [5/16-24 x 4 in., 2.750 in. Fan Spacer, 12-Point Nuts, 8740 Chromoly]

ARP 100-3228 Water Pump Pulley Stud Kit Features:

⚠️ Warning

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