Enhance the look of your hemi valve covers by installing these Hemi spark plug decorative covers. Deco covers are machined from 6061 billet aluminum and are brilliantly polished to add that extra touch to your elephant. Kit comes with 8 covers. Note: Fits Hitech spark plug tubes only. Available in three styles HRS6 Smoothie. HRS7 Twister. HRS8 Torquer.