U-Shaped Spark Plug Thread Seal Plug

Description

ACCEL U-groove performance spark plugs produce a larger spark for more power at high RPMs. Improves throttle response and fuel economy, less fouling. Purified alumina insulator prevents arcing. Machine rolled threads protect heads.

Features:

• 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
• Copper Core Center Electrode
• Projected Tip
• Helps Eliminate Burned Spark Plug Boots
• Shorty Header Spark Plug

U-Groove Spark Plug Header Plug | 14mm Thread | .460 in. Reach | Heat Range 6 | Tapered Seat | 5/8 Hex | Projected Tip | Resistor | 4 Pack |

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