What is the pitch of a spark plug?

What is the pitch of a spark plug?

A spark plugs threads are comprised of 3 dimensions: Reach, Diameter and Pitch. Thread pitch is the distance between threads expressed in millimetres. For example, a thread pitch of 1.25 means the distance between each thread is 1.25mm. When a thread size is expressed in a set of two numbers, for example, 14×1.

Is there a 9/16 spark plug socket?

Socket end is 9/16 Inch. Soft rubber insert holds and protects spark plug during removal and installation. Extension is part of the socket. Easily fits down spark plug tube in cylinder head.

How big is a Champion spark plug thread?

The second letter of the Champion spark plug code (in this case an “L”) indicates the thread size and reach of the spark plug. There are three size spark plug threads and two reaches currently being used in motorcycles and ATVs. “L” indicates a 14 mm x 1.25 pitch size with a 1/2″reach. “N” indicates a 14 mm x 1.25 with a 3/4″ reach.

What are the thread sizes for spark plugs?

Threads There are currently three spark plug thread diameter and pitch sizes used on motorcycles and ATVs: 10 mm x 1.0, 12 mm x 1.25 and 14 mm x 1.25. There are currently two thread reaches (lengths) used: 1/2 inch and 3/4 inch. Never use a spark plug of the wrong reach.

What do the numbers mean on a spark plug?

“W” indicates a 14 mm x 1.25 pitch size, “X” indicates a 12 mm x 1.25 size and “U” indicates a 10 mm x 1.0 size. The number (24 in this example) indicates the heat range of the spark plug, the higher the number the colder the heat range.

What is the spark plug code for a motorcycle?

Here is an example of their basic spark plug code. DPR8EA-9. The first letter of the NGK spark plug code (in this case a “D”) indicates the thread size of the spark plug. There are three spark plug thread sizes currently being used in motorcycles and ATVs.

How big is a standard pitch diameter plug?

Standard Pitch Diameter Chart 17 PRECISION GAGES FOR QUALITY ASSURANCE Ring Thread Gages and Setting Plugs NOMINAL SIZE X TOL. GO = – NO GO = + UNIFIED PITCH DIAMETER GO NOT GO GO NOT GO CLASS 2A CLASS 3A 9/ 16- 24 UNEF .5342 .5303 .5354 .5325 .0003 5/ 8- 11 UNC .5644 .5589 .5660 .5619 .0003 5/ 8- 18 UNF .5875 .5828 .5889 .5854 .0003 5/

How big is a 16mm spark plug thread?

Spark Plug, 16mm Thread Size, Tapered Seat, Ford, Set of 8 Part Number: FMS-M-12405-3V0A More Detail… Order this item and get free delivery and handling on your entire order! Offer excludes truck freight and oversize fees. Valid on orders shipped in the contiguous United States.

What kind of spark plugs do NGK racing use?

NGK Spark Plug Specification Chart 58 NGK Racing NGK Standard Part No. Stock No. Image Part No. Stock No. Image Racing Spark Plugs 14mm Spark Plugs (cont.) 3/4” Reach 5/8” Hex R7434-8 4892 162 DV Iridium R7434-9 4658 162 DV ISO, Low Angle Ground Electrode R7434-10 4894 162 DV Gasket, Solid Resistor 3/4” Reach 5/8” Hex R7433-8 4889 161 DU

How big are spark plugs in a Ford?

Spark Plug, Revolution HT, Copper Core, Tapered Seat, 16mm Thread, 22mm Reach, Resistor, Each Spark Plug, Revolution HT Platinum, Resistor, 16mm x 1.50, Tapered Seat, 0.750 in, Reach, Each Spark Plug, Iridium Core, Tapered Seat, 16mm Thread, .813 in. Reach, Projected Tip, Resistor, Set of 4