Shopping Cart

Your cart is empty.

Your cart is empty.

ARP 621-3500 Stainless Steel 1/4-20' RH Thread 3.500' UHL 6-Point Bolt with 5/16' Socket and Washer, (Set of 5)

Free shipping on orders over $29.99

$23.99

$ 10 .99 $10.99

In Stock

About this item

  • Made in USA
  • Fit type: Vehicle Specific
  • Package Dimension: 5.0 L x 8.0 W x 0.33 H (inches)
  • Country of Origin: United States


Automotive Racing Products (ARP) started in 1968, in Southern California. Their product line includes everything from engine and driveline fasteners for OEM replacement parts to exotic specialty hardware for the Formula 1, Indycar, NASCAR, NHRA Drag Racing, and Marine Applications. They produce a number of specialty products like cylinder head fastener kits, connecting rod bolts, exhaust manifold/header fastener kits, oil pan fastener kits, piston ring compressors, and more.