Old NGK BUR9EQ PN#5483
http://www.summitracing.com/parts/ngk-5483
Quote:
Brand: NGK Spark Plugs
Manufacturer's Part Number: 5483
Part Type: Spark Plugs
Product Line: NGK Standard Series Spark Plugs
Summit Racing Part Number: NGK-5483
UPC: 087295154830
Shorty Spark Plug: No
Resistor: Yes
Manufacturer Heat Range: 9
Electrode Core Material: Copper
Electrode Tip Material: Nickel alloy
Insulator Type: Non-projected
Spark Plug Thread Size: 14mm
Spark Plug Reach: 0.750 in.
Spark Plug Seat Style: Gasket
Wrench Diameter: 13/16 in.
Ground Strap Quantity: Four NGK
Part Number: BUR9EQ
Quantity: Sold individually.
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New NGK BUR9EQ PN#5777
http://www.summitracing.com/parts/ngk-5777
Quote:
Brand: NGK Spark Plugs
Manufacturer's Part Number: 5777
Part Type: Spark Plugs
Product Line: NGK Standard Series Spark Plugs
Summit Racing Part Number: NGK-5777
Shorty Spark Plug: No
Resistor: Yes
Manufacturer Heat Range: 9
Electrode Core Material: Copper
Electrode Tip Material: Nickel alloy
Insulator Type: Non-projected
Spark Plug Thread Size: 14mm
Spark Plug Reach: 0.846 in.
Spark Plug Seat Style: Gasket
Wrench Diameter: 13/16 in.
Ground Strap Quantity: Four
NGK Part Number: BUR9EQ
Quantity: Sold individually.
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It looks like the 9's haven't changed as much as the 7's?
The reach spec has changed...
Better for us?
BTW, the "old" 7's and 9's are listed "N/A" from Summit.
-Ted