ARP Fasteners & Hardware

Cadillac 331 '49-'62 main bolt kit

Part Number: ARP-117-5401

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GM DURAMAX LB7-LMM 6.6L 12PT O

Part Number: ARP-130-1801

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Nut, 12-Point, Stainless Steel, Polished, 9mm x 1.00 Thread, Set of 10

Part Number: ARP-400-8361

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Nut, 12-Point, Stainless Steel, Polished, 7mm x 1.00 Thread, Set of 10

Part Number: ARP-400-8366

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Nut, 12-Point, Stainless Steel, Polished, 12mm x 1.00 Thread, Set of 10

Part Number: ARP-400-8387

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Studs, Stainless, Polished, 12-Point, M8 x 1.25mm, M8-1.25mm, 1.25 in. Length, Set of 8

Part Number: ARP-400-8011

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M12 X 1.25 hex nut kit

Part Number: ARP-300-8369

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GM Duramax LLY-LMM 6.6L SS 12pt lower rocker cover bolt kit

Part Number: ARP-430-0202

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GM Duramax LLY-LMM 6.6L SS 12pt upper rocker cover bolt kit

Part Number: ARP-430-0203

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Bolts, 8740 Chromoly, Black Oxide, Hex Head, 1/2-13 in. Thread, 6.00 in. Underhead Length, Set of 5

Part Number: ARP-617-6000

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Bolts, Stainless Steel 300, Polished, Hex Head, 1/2-13 in. Thread, 5.75 in. Underhead Length, Set of 5

Part Number: ARP-646-5750

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Bolts, Stainless Steel 300, Polished, 12-Point Head, 1/2-13 in. Thread, 5.75 in. Underhead Length, Set of 5

Part Number: ARP-656-5750

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Bolts, 8740 Chromoly, Black Oxide, 12-Point Head, 1/2-13 in. Thread, 6.00 in. Underhead Length, Set of 5

Part Number: ARP-627-6000

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GM DURAMAX LLY-LMM 6.6L UPPER

Part Number: ARP-130-0203

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Estimated Ship Date: Nov 6, 2025 if ordered today

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VW early/ late HP40 rod bolt kit

Part Number: ARP-104-6008

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Bolts, Stainless Steel 300, Polished, Hex Head, 1/2-20 in. Thread, 4.25 in. Underhead Length, Set of 5

Part Number: ARP-745-4250

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow if ordered today

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Bolts, Stainless Steel 300, Polished, Hex Head, 1/2-20 in. Thread, 4.75 in. Underhead Length, Set of 5

Part Number: ARP-745-4750

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Bolts, Stainless Steel 300, Polished, Hex Head, 1/2-20 in. Thread, 5.00 in. Underhead Length, Set of 5

Part Number: ARP-745-5000

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Bolts, Stainless Steel 300, Polished, Hex Head, 1/2-20 in. Thread, 5.25 in. Underhead Length, Set of 5

Part Number: ARP-745-5250

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Bolts, Stainless Steel 300, Polished, Hex Head, 1/2-20 in. Thread, 6.00 in. Underhead Length, Set of 5

Part Number: ARP-745-6000

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Bolts, Stainless Steel 300, Polished, 12-Point Head, 1/2-20 in. Thread, 5.25 in. Underhead Length, Set of 5

Part Number: ARP-755-5250

5.0 out of 5 stars ( 1 )

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7/16-20 X 5.750 SS 1/2 12PT 5P

Part Number: ARP-717-5750

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7/16-20 X 6.000 SS 1/2 12PT 5P

Part Number: ARP-717-6000

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Bolts, 12-Point Head, Stainless 300, Polished, 7/16 in.-24 RH Thread, 5.000 in. UHL, Set of 5

Part Number: ARP-714-5000

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Bolts, 12-Point Head, Stainless 300, Polished, 10mm x 1.25 RH Thread, 95mm UHL, Set of 5

Part Number: ARP-773-1014

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Estimated Ship Date: Nov 6, 2025 if ordered today

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