Autolite Spark Plug BTF42 C5TF 12405-A nos set of 6 Brand new New old Stock
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- Product: Autolite Spark Plug BTF42 C5TF 12405-A nos set of 6 Brand new New old Stock
- Brand: Autolite
- UPC:
- Manufacturer Part Number (MPN):
Hi,
these spark plugs are brand new in the box, just bought a whole car parts store with a lots of vintage stuff so visit my store often ,there will be very good deal and probably RARE FINDS too.
Sold as is as i can not test nothing but they are new in the box
What you see is what you get,please check the pics
IF YOU BUY MORE THAN 1 ITEMS, please request shipping price as I will combine shipping to make you a better deal on shipping.
Thanks for looking.
Denis
Identifying
Code On Autolite Spark Plugs.
Sample AGR5M
First letter is thread diameter A=14mm, B=18mm, H=12mm,P=10mm,
T=7/8"-18,
Second letter is the reach. E=1/2 inch, G=3/4 inch, L=7/16 inch
Third letter is spark plug type F=tapered seat, K=surface gap, R=resistor,
T=transport
Fourth number is heat range 0-3=cold, 4-7=medium, 8-11=hot,15=extreme hot. If
there is a second digit number it would indicate the gap
1=standard gap, 2=power tip, 3=retracted gap
Fifth letter indicates application M=inboard marine, N=lowprofile insulator,
S=shielded, W=small engine, PM=power mower, Y=small engine.
Understanding Autolite spark plug digital numbering system
415
Second number designates regular spark plug even number designates
resister
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