Stage 8 Locking Header Bolt 5/16-18" Thread 0.875" Long Hex Head - Steel 500020162 Stock retainer must be modified

Stock retainer must be modified to 1

Pre-terminated and color coded with detailed installation instructions

Ultra-quiet operation and low amp draw

1986-1987 Ford Aerostar

Flat stock (for end caps)

Stage 8 Locking Header Bolt 5/16-18" Thread 0.875" Long Hex Head - Steel 500020162 Stock retainer must be modifiedProduct Description: Header Bolt Locking 5 16 18 in Thread 0. 875 in Long Hex Head Steel Nickel Plated GM V6 Set of 12 Stage 8 Locking Fasteners has provided Fail Safe Joint Integrity For Critical Applications over 22 years. Stage 8 Locking Fasteners are available in kits, ready to install on all critical automotive parts like headers, starters or turbos. Stage 8 Locking Fasteners easily install on all popular makes and models and are available in U.