Product Details
Spark Plug Index Shims by AllStar Performance®. Stackable shims index spark plugs at 30° intervals up to 360° properly positioning ground strap in cylinder head for increased power and clearance between spark plug and piston. Shims are intended for use with 14mm flat seat spark plugs only. Package of 24 shims contains 12 silver 60°, 12 black 90°, detailed instructions and dial chart.
Notes
- This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. Shipping Restriction: CA, NY, ME.
Specifications
Spark Plug Seat Style: Flat |
Spark Plug Thread Size: 14mm |
Washers Included: Yes |
Washer Material: Aluminum |
Includes
- Quantity: Sold as a set of 24.
- Kit includes 12 silver 60 degree and 12 black 90 degree shims. For use with 14mm flat seat spark plugs.
Features
- Designed to deliver trouble-free, consistent performance
- Right for your vehicle and lifestyle
- Made from high-quality materials for ultimate durability
- Manufactured to meet or exceed strict quality requirements
AllStar Performance® The key to success in a car building project is access to high quality, reasonably priced parts that get the job done right. Each AllStar part is the result of dedication to research and development. Once a need is established, parts are designed and manufactured by talented craftsmen, many of whom are racers and hot rodders themselves. Many AllStar Performance parts are one-of-a-kind; you won't find them anywhere else.