Chevy 350, 4-Bolt Mains Studs, 12 Point Multi head, SBC Small Block Chevy, Holden V8 (with Stud Girdle)

ARP 234-5801 Main Stud Kits - 4 Bolt Small Block Chevy +

ARP main stud kits help eliminate main cap walk/fretting and protect the threads in your engine block. They include studs made from 8740 chromoly steel and heat-treated in-house to 190,000 psi tensile-strength rating. 

Main Bolt Style:     4-bolt

Fastener Style:    Studs

Fastener Nut Style:    Multi Point (12 point)

Works with Windage Tray:    No

Fastener Tensile Strength (psi):    190,000 psi

Nuts Included:     Yes

Washers Included:     Yes

Quantity:      Sold as a kit.

Notes:     Designed to fit large journal crankshafts.

Thread1  7/16 in

Thread2  3/8 in

Thread3  7/16 in

Head/Nut Style1  12 Point

Head/Nut1 Quantity  10

Head/Nut Style2  12 Point

Head/Nut2 Quantity  4

Head/Nut Style3  12 Point

Head/Nut3 Quantity  6

Washers Included  Yes

Head Size1  1/2 in

Head Size2  7/16 in

Broached Allen Size1  3/16 in

Broached Allen Size2  5/32 in

Assembly Lubricant Included  Yes