ARP 641-4000 SAE Coarse 5/16"-18 x 4.000 12pt black oxide bolts

ARP 641-4000 is a black oxide 12-point head bolt with SAE Coarse 5/16"-18 thread.

Specifications

• ARP part number: 641-4000
• Fastener type: Bolt
• Thread group: SAE Coarse
• Thread specification: 5/16"-18
• Finish: Black Oxide
• Head type: 12-Point
• Material: 8740 Chrome Moly
• ARP description: 5/16"-18 x 4.000 12pt black oxide bolts

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