Earl's Racing Products Head Bolt Set-Hex Head - HBS-001ERL programmers-tuners-and-parts 4L V8 1968 Mercury Commuter

4L V8 1968 Mercury Commuter   390/6

Adapter AN Size ( A ) 3 AN MALE Adapter Port Size ( B ) 7/16-24 I

Sideways or Rearward Throttle Body Mounting

This kit is a straight forward turbo swap that makes a big difference in the power output of the car

3 V8 1970 Dodge Polara Special 440/7

Earl's Racing Products Head Bolt Set-Hex Head - HBS-001ERL programmers-tuners-and-parts 4L V8 1968 Mercury CommuterOverview: Earl's Racing Products head bolts are made from premium quality 170,000 psi chromemoly alloy steel (about 15% stronger than Grade 8). These bolts have a reduced wrench size (choose from 12 point or hex head) for extra socket clearance (provides extra clearance to rocker arms when re torqueing heads). The wide flanged head provided more support for the extra thick chromemoly washers. These head bolts are reusable and are the ideal way to