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ARP High Performance Series Connecting Rod Bolt Kits

4.83 out of 5 stars 260 Customer Reviews

ARP High Performance Series connecting rod bolts are made from seamless and defect-free 8740 chromoly steel. All ARP rod bolts are heat-treated before grinding and thread rolling and have a large underhead radius for greater strength. Guaranteed to pass magnetic inspection testing, these bolts are nearly five times stronger than OEM bolts. They're used in applications ranging from stock replacement to Circle Track, marine, and drag racing engines.

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Results 1 - 6 of 6

Connecting Rod Bolts, High Performance Series, Chromoly Steel, Chrysler, Big Block, 354, 392 Hemi, Set 16

Part Number: ARP-145-6002

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Connecting Rod Bolts, High Performance Series, 8740 Chromoly Steel, "R" Bolt Head Style, Mopar, Small Block LA, Set of 16

Part Number: ARP-144-6001

5.0 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Connecting Rod Bolts, High Performance Series, Through-Bolt, 180,000 psi, 8740 Chromoly Steel, Mopar, Pair

Part Number: ARP-144-6021

Not Yet Reviewed

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Connecting Rod Bolts, High Performance Series, 8740 Chromoly Steel, Chrysler, 426 Hemi, Set of 16

Part Number: ARP-145-6001

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Rod Bolts, High Performance Series, 8740 2-Piece, Mopar 383-440 Wedge, 354-392 Hemi 413

Part Number: ARP-145-6022

5.0 out of 5 stars ( 2 )

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Rod Bolts, High Performance Series, 8740, Dodge, Plymouth, 170, 198, 225, 6 Cylinder, Set of 12

Part Number: ARP-142-6001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

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