NGK Racing Series Spark Plugs

Description

NGK Racing Series plugs are engineered to withstand the harshest engine conditions

• V-Power plugs feature a special insulator nose configuration improving throttle response, fine-wire center electrodes provide better sparking and enhanced ignitability, corrugated ribs prevent flashover and pure alumina silicate ceramic insulator give superior strength and better heat transfer

• Copper core material aids in heat removal combined with triple seals to prevent leakage

• All spark plugs are sold in a kit of 8

 

***IT IS IMPORTANT TO ALWAYS CHECK YOUR SPARK PLUG GAP BEFORE INSTALLING YOUR NEW PLUGS***

 

LISTED BELOW ARE THE PLUGS WE STOCK:

 

(NGK7317) R5724-8 - 14mm Diameter x 1.25mm Pitch, 5/8" Hex - Tapered Seat, .709" Reach (Heat Range 8) ***Common for 602/604 crate engines***

(NGK3249) R5673-8 - 14mm Diameter x 1.25mm Pitch, 5/8" Hex - Tapered Seat, .460" Reach (Heat Range 8)

(NGK2817) R5673-7 - 14mm Diameter x 1.25mm Pitch, 5/8" Hex - Tapered Seat, .460" Reach (Heat Range 7)

(NGK5657) R5674-8 - 14mm Diameter x 1.25mm Pitch, 5/8" Hex - Tapered Seat, 7/16" Reach (Heat Range 8)

(NGK7405) R5672A-9 - 14mm Diameter x 1.25mm Pitch, 5/8" Hex - Gasket Seat, 3/4" Reach (Heat Range 9)

(NGK5820) R5671A-10 - 14mm Diameter x 1.25mm Pitch, 5/8" Hex - Gasket Seat, 3/4" Reach (Heat Range 10)

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NGK Spark Plugs
Description
NGK Racing Series Spark Plugs
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