ARP Chrysler, Small Block 5.7L, 6.1L & 6.4L Gen III Hemi – Dodge hemi 5.7/6.1L head bolt kit 147-3901 Oil Sumps Part Number: AF557-20

Part Number: AF557-20

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Stealth Ride Part Number: EA89112930

ARP Chrysler, Small Block 5.7L, 6.1L & 6.4L Gen III Hemi – Dodge hemi 5.7/6.1L head bolt kit 147-3901 Oil Sumps Part Number: AF557-20ARP Dodge hemi 5. 7 6. 1L head bolt kit (147 3901) ARP Pro Series Cylinder Head Bolt Kits 147 3901 The Pro Series cylinder head bolts from ARP are cold forged to ensure molecular integrity. They are heat treated prior to thread rolling and machining, and are rated at a whopping 190,000 psi. The Pro Series are also available with hex and 12 point heads. All kits come complete with hardened parallel washers for even load distribution and accurate torque