The set of eight includes the tubes and components to assemble the wire. 1983-lincoln-town-car-esi9542400 Heat Barrier - XT-5000 -

Heat Barrier - XT-5000 - 27-1/2 x 11-1/4 in - Formable - 1830 Degrees - Aluminized Multi-layer Steel - Natural - Each

Aluminum Tubing Bend - 90 Degree - 4 in Diameter - 4 in Radius - 0

90 cc - Big Block Chevy - Set of 8

1 - Aluminum - Natural - Powerglide - 157 Tooth Flexplate - Small Block Ford - Each

Dash Bracket - 2-1/8 in Collapsible Steering Column - Aluminum Breakaway Blocks - Steel - Natural - Each

The set of eight includes the tubes and components to assemble the wire. 1983-lincoln-town-car-esi9542400 Heat Barrier - XT-5000 -Ford and Chrysler Hemi Pro Stock heads have a long, skinny tube machined in the head to access the spark plug. This created a challenge to install spark plug wires. MSD answers with an injection molded spark plug wire boot that reaches down to securely connect the wire to the spark plug.