Proflow Header Bolts | 3/8"-16 x 1.00" Tight Access | SS304 Stainless | 0.527" OD Washers | Set of 16 - PFEEHBST-1

Proflow Tight Access Header Bolts – SS304 Stainless Steel

The Proflow PFEEHBST Header Bolts are engineered for large-tube headers where spanner access is severely limited. Available in Chromoly or Stainless Steel with small-diameter washers, these bolts make header installation and removal significantly easier than traditional 3/8" hex-head bolts.

Key Features

• SS304 stainless steel construction for corrosion resistance and long-term durability
• 5/16" hex head for tight-access applications
• 3/8"-16 x 1.00" thread specification
• 0.527" OD washers included for a secure, leak-free seal
• Set of 16 bolts & Washers – enough for a full V8 header install
• Compatible with Chevrolet and Ford applications

Installation Tips

Always start each bolt by hand for at least 2 full turns before using a spanner. An open-ended spanner can be used for convenience once the bolt is snug, but always finish with a ring spanner to achieve proper torque.