Moroso 3/8-16 in Thread 12 Point Head Header Bolt - 1 in Long - Black Oxide - Set of 16 PLUS2-STX-H28 Hardened exhaust seats and long-lasting

Hardened exhaust seats and long-lasting mag-bronze valve guides significantly extend cylinder head life

In other words

2500 Series Pickup

The adapter's state-of-the-art swivel system

Moroso 3/8-16 in Thread 12 Point Head Header Bolt - 1 in Long - Black Oxide - Set of 16 PLUS2-STX-H28 Hardened exhaust seats and long-lastingProduct Description: Header Bolt 3 8 16 in Thread 1 in Long 12 Point Head Steel Black Oxide Set of 16 Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 3000 products, from Moroso oil pans and Moroso oiling systems, to Moroso ignition wire, Moroso ignition components, Moroso valve covers, Moroso fuel system equipment, Moroso air