Drag Specialities NGK style Spark Plugs;; Fits: > 66‐74 Shovelhead
Drag Specialities NGK style Spark Plugs;; Fits: > 66‐74 Shovelhead
Detail Conventional style spark plugs, available in OEM heat ranges
Plugs have a unique look with a black ceramic body and bold
red logo/script
Insulator is made of 95% pure alumina, features strong
resistance to heat shock and superior insulation
Multi-rib design of the insulator eliminates flashover
Nickel-plated housing prevents oxidation and corrosion
Multi-layer gaskets and heat crimping process ensure a leak-free, gas-tight seal
Copper core electrode prevents oxidation and corrosion, has good electrical
and heat conductivity and creates long spark plug service life•Sold in pairs in blister pack
| HEAT RANGE | 5 |
| MODEL | Copper |
| TERMINAL CONFIGURATION | threaded Stud |
| THREAD SIZE | 14 mm |
| STYLE | R5670-5 |
| TYPE | Resistor Type |
| UNITS | Pair |
| PRODUCT NAME | Spark Plug |
| CENTER ELECTRODE TYPE | Standard |
| ELECTRODE TIP MATERIAL | Nickel Alloy |
| CENTER ELECTRODE PROJECTION | Projected |
| THREAD REACH | 8 mm (5/16") |
| HEX SIZE | 20,6 mm (13/16") |
| GROUND ELECTRODE CONFIGURATION | Single |
| GROUND ELECTRODE SHAPE | Standard |
Part Number:
21030207: For 66‐74 Shovelhead
