ARP Parts and Accessories

Thermostat Housing Bolts, Polished Stainless, Hex, Pontiac, Set

Part Number: ARP-490-7402

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

Washer, Flat, Stainless Steel, Cadmium Plated, .438 in. I.D., .750 in. O.D., .063 in., Thick, Each

Part Number: ARP-200-8419

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Washer, Flat, Chamfer, Stainless Steel, Polished, 0.120 in. Thick, 0.375 in. I.D., 0.750 in. O.D., Pair

Part Number: ARP-400-8527

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Washer, Flat, Chromoly, Black Oxide, .437 in. I.D., .875 in. O.D., .120 in. Thick, Pair

Part Number: ARP-200-8727

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Nut, 12-Point, Steel, Black Oxide, 1/2 in.-20 Thread, Pair

Part Number: ARP-301-8333

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Special Purpose Washer, Black Oxide, 7/16" ID - 3/4" OD, .120 Thickness, Pair

Part Number: ARP-200-8521

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Washers, Chromoly, Black Oxide, .437 in. I.D., .875 in. O.D., Pair

Part Number: ARP-200-8597

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Washers, Chromoly, Black Oxide, .500 in. I.D., 1.300 in. O.D., .120 in. Thick, Pair

Part Number: ARP-200-8722

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Nut, 12-Point, Reduced Wrenching, Self Locking, Carbon Steel, Cadmium/Chromate, 1/4 in.-28 Thread, Each

Part Number: ARP-200-8202

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Nuts, Hex, Custom 450, Black Oxide, 7/16 - 20 in., Pair

Part Number: ARP-200-8626

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Nuts, 12-Point, Flanged, Steel, Black Oxide, 7/16 in.-14 RH Thread, Pair

Part Number: ARP-301-8325

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Washers, Stainless Steel, Polished, .438 in. Inside Diameter, .813 in. Outside Diameter, .120 in. Thick, Pair

Part Number: ARP-400-8529

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Distributor Stud, Steel, Black Oxide, 12-Point, Pontiac, Each

Part Number: ARP-190-1701

Not Yet Reviewed

Estimated Ship Date: Tomorrow

1/4-28 SELF LOCKING NUT

Part Number: ARP-400-8202

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

• Special Order

Nut, 12-Point, Custom 450, Black Oxide, 1/2 in.-20 RH Thread, Each

Part Number: ARP-300-8306

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Nut, Hex, Serrated Flange, Stainless Steel, Polished, 1/4 in.-28 RH Thread, Each

Part Number: ARP-400-8609

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Special Order

Special Purpose Washer, Black Oxide, 7/16" ID - 3/4" OD, .073 Thickness, Each

Part Number: ARP-200-8502

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Washer, Flat, Chromoly, Black Oxide, .312 in. I.D., .550 in. O.D., .120 in. Thick, Pair

Part Number: ARP-200-8578

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Nut, 12-point, Stainless Steel, Polished, 5/16-18 in. Thread Size, Each

Part Number: ARP-401-8303

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Nut, 12-Point, Custom 450, Black Oxide, 9mm x 1.25 RH Thread, Each

Part Number: ARP-300-8342

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Washer, Flat, Stainless Steel, Polished, .375 in. I.D., .750 in. O.D., Each

Part Number: ARP-400-8507

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Nut, 12-Point Head, Custom 450, Black Oxide, 7/16 in.-20 RH Thread, Each

Part Number: ARP-300-8375

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Washer, 1/2ID 7/8OD SS washer

Part Number: ARP-400-8513

Not Yet Reviewed

Nut, Hex, Custom 450, Black Oxide, 5/16 - 24 in., Each

Part Number: ARP-200-8602

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 8, 2025 if ordered today

• Special Order

Nut, 12-Point, Steel, Black Oxide, 5/16 in.-18 RH Thread, Each

Part Number: ARP-301-8303

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow