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Spark Plugs

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  • Heat Range - 11
  • Thread Reach (in) - 0.374 Inch

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Autolite Copper Core Spark Plug - 2974
Part #:
2974
Line:
ATO
1 Year Limited Warranty
Seat:   Gasket
Thread Size:   M14-1.25
Heat Range:   11

Autolite Racing Hi-Performance Spark Plug - AR73
Part #:
AR73
Line:
ATO
1 Year Limited Warranty
Seat:   Gasket
Thread Size:   M14-1.25
Heat Range:   11

Autolite Xtreme Start Spark Plug - XST2974DP
Part #:
XST2974DP
Line:
ATO
2 Year LIMITED WARRANTY
Seat:   Gasket
Thread Size:   M14-1.25
Heat Range:   11