New NGK BUR7EQ / BUR9EQ Spark Plugs

[RETed]

Old NGK BUR9EQ PN#5483
http://www.summitracing.com/parts/ngk-5483

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.

New NGK BUR9EQ PN#5777
http://www.summitracing.com/parts/ngk-5777

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.

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