Product Details
Shim Kit by AllStar Performance®. Stackable shims index spark plugs at 30 deg. intervals up to 360 deg. properly positioning ground strap in cylinder head for increased power and clearance between spark plug and piston. Shims are intended for use with 14 mm flat seat spark plugs only. Package of 24 shims contains 12 silver 60 deg., 12 black 90 deg., detailed instructions and dial chart. Note: ALL96506 shims are designed for close tolerance spark plug pockets such as those on ALL-PRO cylinder heads.
Fitment notes
- Your Vehicle Requires 4 Spark Plugs
Specifications
| Material: Aluminum |
| Quantity: 24 Pieces |
Features
- Precise manufacturing and high-grade materials
- Exceptional performance at a competitive price
- Stringently tested with the highest quality standards
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.