Champion spark plug details

CHAMPION - SPARK PLUG DETAILS

SPARK PLUG HEAT RANGE CHART

Heat

Range

Thread

Reach

(inches)

SALES SYMBOLS

HEX SIZE

(Inches)

Unshielded

Shielded

Integral

Non resistor

Resistor

5/8"-24

3/4"-20

13/16" external threads

1" internal threads

Unshld

Shield

14 mm Thread Diameter

NORM 3/8 - RJ88P - - TJ83(1) - 13/16 -

HOT

COLD

1/2

1/2

1/2

1/2

1/2

1/2

-

-

-

-

-

-

-

-

RL85G

RX85PYP

RL15B

-

REL89G(5)

REL88B(5)

-

-

-

-

RHL89G(3,5)

-

-

-

-

RHL79G(5)

-

-

RTL85G

-

-

-

-

-

-

-

-

-

-

-

13/16

5/8

13/16

-

13/16

13/16

-

-

-

7/8

HOT

COLD

3/4

3/4

-

-

RC78PYP(2)

RN79G(2)

RC78PYP15

RC78WP
RN79PYP17

-

-

-

RHN79G(3,5)

-

RTN79G

-

-

5/8

13/16
5/8
5/8
13/16

-

13/16

18mm Thread Diameter

HOT

COLD

1/2

1/2

1/2

1/2

1/2

1/2

1/2

1/2

1/2

D89D

D14N(2)

-

M82N(2)

-

D78Y(4)

-

-

-

-

-

RM85G

-

-

-

RM79F

RM77N(2)

RM77PP

ED89D(1,5)

-

-

-

REM84P(5)

-

-

REM77N(5)

-

-

-

RHM85G(5)

RHM83N(2.5)

-

-

RHM77PP(5)

RHM77N(2,5)

RHM78PP(6)

-

-

-

-

-

-

RTM79

RTM77N(2)

RTM77PP

-

-

RGM86N

-

-

-

-

-

-

7/8

7/8

7/8

7/8

-

7/8

7/8

7/8

7/8

7/8

-

7/8

7/8

7/8

-

7/8

7/8

7/8

NORM K97F - - - - - 1 -

HOT

COLD

13/16

13/16

13/16

13/16

13/16

13/16

13/16

13/16

13/16

13/16

B86N

-

-

-

-

-

-

-

-

-

-

-

RB77WPCC

KB77WPCC

RB77WPCC

RB76N

RB76PP

RB75WPC

RB75N

RB75PP

-

-

-

-

-

-

-

-

-

-

-

RHB81N(5)

-

-

-

-

-

-

-

-

-

RTB80N

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

7/8

7/8

7/8

7/8

7/8

7/8

7/8

13/16

7/8

7/8

-

7/8

-

-

-

-

-

-

-

-

7/8"18 Thread Diameter

HOT

COLD

5/8

5/8

5/8

5/8

5/8

5/8

5/8

5/8

5/8

5/8

5/8

5/8

W95D

W89D

W16Y(4)

C95F

W20

W14

W10

W85N(2)

-

-

W80N(2)

-

-

-

-

-

-

-

-

-

RW82P

RW83F

RW80N(2)

-

-

-

-

-

-

-

-

-

REW82P(5)

-

REW80N(5)

-

-

-

-

-

-

-

-

-

-

HW83F(1,6)

RHW80N(6)

RHW79N(5)

-

-

-

-

-

-

-

-

-

RTW83F

RTW80N

-

-

-

-

-

-

-

-

-

-

RGC80F

RGC80N

-

15/16

15/16

15/16

1-1/8

15/16

15/16

15/16

15/16

15/16

1

15/16

-

-

-

-

-

-

-

-

-

1

1

1

1

NORM

3/4

W18

-

-

-

-

-

15/16

-

NORM

0.860

-

RW78N

-

RHW78N(6)

-

-

1

1

NORM

1

1

-

W77N(2)

RW77PP

RW77N

-

-

-

RHW77N(6)

-

-

-

RGC77N

15/16

15/16

1

1

NORM

1-1/4

C97B

-

-

-

-

-

1-1/8

-

(1)Non-resistor (2)Alternate gap available (3) 7/8"Hex. (4)Projected tip. (5 )1" Well depth. (6)2" Well depth.

TORQUE RECOMMENDATIONS

SERVICE GASKET

SPARK PLUG

THREAD SIZE

WITH TORQUE WRENCH

CAST IRON HEADS

ALUMINUM HEAD

N678

A678

A478

GASKET TYPE

14mm

18mm

7/8"

1-1/8"

26-30 lb.ft.

32-38 lb.ft.

50-55 lb.ft.

140-150 lb.ft.

18-22 lb.ft.

28-34 lb.ft.

TAPERED SEAT

14mm

18mm

7-15 lb.ft.

15-20 lb.ft.

7-15 lb.ft.

15-20 lb.ft.

* Foto Gallery * Brochure *

CHAMPION

HB80N

M18 shielded spark plug

REN79G

M14 shielded spark plug

RTM77P

M18 integral spark plug