ARP Fasteners & Hardware

Bolts, Stainless Steel 300, Polished, Hex Head, 1/2-20 in. Thread, 3.75 in. Underhead Length, Set of 5

Part Number: ARP-745-3750

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Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Bolts, Hex Head, Stainless 300, Polished, 6mm x 1.00 RH Thread, 135mm UHL, Set of 5

Part Number: ARP-760-1018

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Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order

Bolts, Stainless Steel 300, Polished, 12-Point Head, 1/2-13 in. Thread, 5.25 in. Underhead Length, Set of 5

Part Number: ARP-656-5250

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Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Bolts, Stainless Steel 300, Polished, Hex Head, 1/2-20 in. Thread, 5.75 in. Underhead Length, Set of 5

Part Number: ARP-745-5750

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Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Bolts, Stainless Steel 300, Polished, 12-Point Head, 1/2-13 in. Thread, 5.50 in. Underhead Length, Set of 5

Part Number: ARP-656-5500

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Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Bolts, Stainless Steel 300, Polished, 12-Point Head, 1/2-20 in. Thread, 5.75 in. Underhead Length, Set of 5

Part Number: ARP-755-5750

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Bolts, Stainless Steel 300, Polished, Hex Head, 1/2-20 in. Thread, 5.50 in. Underhead Length, Set of 5

Part Number: ARP-745-5500

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Bolts, Stainless Steel 300, Polished, Hex Head, 1/2-13 in. Thread, 5.50 in. Underhead Length, Set of 5

Part Number: ARP-646-5500

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Washers, Stainless Steel, Polished, .394 in. Inside Diameter, .865 in. Outside Diameter, .160 in. Thick, Pair

Part Number: ARP-400-8532

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Bolts, 12-Point Head, Stainless 300, Polished, 7/16 in.-20 RH Thread, 3.250 in. UHL, Set of 5

Part Number: ARP-714-3250

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Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Bolts, Stainless Steel 300, Polished, Hex Head, 1/2-13 in. Thread, 4.25 in. Underhead Length, Set of 5

Part Number: ARP-646-4250

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Special Order

Nut, 12-Point, Stainless Steel, Polished, 12mm x 1.25 Thread, Set of 10

Part Number: ARP-400-8338

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Estimated Ship Date: Today

Bolts, Stainless Steel 300, Polished, Hex Head, 1/2-13 in. Thread, 5.25 in. Underhead Length, Set of 5

Part Number: ARP-646-5250

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Bolts, Stainless Steel 300, Polished, 12-Point Head, 1/2-13 in. Thread, 6.00 in. Underhead Length, Set of 5

Part Number: ARP-656-6000

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Nut, 12-Point, Steel, Black Oxide, 9mm x 1.00 Thread, Set of 10

Part Number: ARP-301-8348

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Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Nut, 12-Point, Steel, Black Oxide, 10mm x 1.25 Thread, Set of 10

Part Number: ARP-301-8355

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Nut, 12-Point, Steel, Black Oxide, 12mm x 1.25 Thread, Set of 10

Part Number: ARP-301-8400

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Ford 1.6L EcoBoost 4cyl main bolt kit

Part Number: ARP-251-5002

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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• Special Order

GM DURAMAX LB7-LMM 6.6L 12PT R

Part Number: ARP-130-0201

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

GM DURAMAX LLY-LMM 6.6L 12PT L

Part Number: ARP-130-0202

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

Cadillac 331 '49-'62 main bolt kit

Part Number: ARP-117-5401

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

GM DURAMAX LB7-LMM 6.6L 12PT O

Part Number: ARP-130-1801

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

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

Part Number: ARP-400-8361

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

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

Part Number: ARP-400-8366

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

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

Part Number: ARP-400-8387

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order