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Garage Sale - NGK 3923 Spark Plugs
Garage Sale - NGK 3923 Spark Plugs

Garage Sale - NGK 3923 Spark Plugs

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Garage Sale - NGK 3923 Spark Plugs
Garage Sale - NGK 3923 Spark Plugs
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Part # 9103923.GS
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Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

Spark Plug Seat Style:
Gasket
Spark Plug Reach:
0.75"
Thread Pitch:
14mm
Insulator Type:
Projected
Resistor:
Yes
Spark Plug Heat Range:
3
Core Material:
Copper
Tip Material:
Copper
MFG. Part #:
3923
Wrench Size:
5/8"
Sold in Quantity:
Each

Info

These plugs are garage sale priced because they are different than what we currently offer.

 

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS

 

Specs

Gasket Seat

14mm Thread

.750 in. Reach

Projected Tip

Resistor plug

.028" Gap

Some parts are not legal for use in California or other states with similar laws/regulations

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Videos & Articles
  • In preparation to transplant a 430hp 383 stroker into Project Chevelle, Zach R. made up a set of plug wires for the car. To keep it nice and tidy they needed to be routed just right, be the perfect length and not distract from the engine!
  • Speedway Motors employee Tim M. Decided to take us along as he revives his 241 "Baby Hemi". In this installment, Tim walks us through updating the old wire covers with a nice set of Offenhauser Finned Wire Covers.
  • Having a quality spark plug wire is important to receive the best performance out of your ignition. Here's how to install spark plug wire terminals with Speedway's step by step guide.

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