Precision Works Distributor Cap Block Off 

This cap is designed to be used with converting your ignition system to the modern individual coils, known as coil on plug (COP) ignition.

These caps are manufactured from high quality billet 6061 aluminum for lightweight and strong design, and finished with a clean anodized black color.

Now with all available options to fit B-Series, D-Series, and H-Series!

Key Features:

• 6061 grade billet aluminum
• Anodized black finish
• CNC machined

Sizes & Engine Fitment:

• B16, B18A, B18B, LS Engines, D15, D16 with distributors part numbers TD41U, TD42U, TD44U, TD46U, TD55U, TD61U, TD73U, TD74U, TD81U.