U-Groove Spark Plug Header Plug; Double Platinum Shorty; Individual;
- Double Platinum Electrode For Long Life
- Shorty Spark Plugs For Tubular Exhaust Headers
- Eliminates Dimpling Headers For Added Clearance
- Improves Spark Plug Access To Fit Socket Or Wrench
- Shorter Overall Plug Length Vs. OE Style Plug
- Projected Tip
- Helps Eliminate Burned Spark Plug Boots
- Shorty Header Spark Plug
- Machine Rolled 14mm Threads Protect Your Valuable Cylinder Heads