8 E3 Spark Plugs

[jusbo]

I got these from Summit a while back and they will not fit.
They are the E3-42 (http://www.summitracing.com/parts/ETP-E3-42) spark plugs and $6 a plug. I'll let you have them for $3 a plug.
Details as follows, or click the link to go directly to summitracing.com

Summit Racing Part Number ETP-E3-42
Shorty Spark Plug No
Resistor Yes
Electrode Core Material Copper
Electrode Tip Material Nickel alloy
Insulator Type Projected
Spark Plug Thread Size 14mm
Spark Plug Reach 0.440 in.
Spark Plug Seat Style Tapered
Wrench Diameter 5/8 in.
Ground Strap Quantity One
Quantity Sold individually.

[adn1975]

what heads and headers do you have? i have straight plug heads and 1-3/4 sanderson headers.

[jusbo]

I have edelbrock e-tec 200 heads (straight) and 4x4 headers from here (patriot). The taper stops them from going in far enough into the head.