Page 598 - 蓝带金统立KINGTONY2025年样本

Why spark plugs need torque tightening ?

• 1. Modern engines cylinder heads are made of aluminium alloy
• 2. A correct factory-set gaps can provide best performance

Cylinder head
material
Thread diameter (mm)
M8 M10 M12 M14 M18
Cast iron - 10~15 N‧m 15~25 N‧m 25~35 N‧m 35~45 N‧m
Aluminium 8~10 N‧m 10~12 N‧m 15~20 N‧m 25~30 N‧m 35~40 N‧m
Suggested torque for spark plugs with gasket, always follow factory owner's manual

3/8" Spark Plug Sockets

Socket
3/8"
Size Size L(mm)
(inch) (mm) Type
63 70 90 250
6 pt Rubber 36B514
9 / 16 14 12 pt Rubber 36B014 36C014 36D014
12 pt Metal clip 367014
6 pt Rubber 363516
12 pt Rubber 363016
5 / 8 16
6 pt Magnet 366516
12 pt Magnet 366016
12 pt Rubber 36B018
23 / 32 18 6 pt Metal clip 367518
12 pt Metal clip 367018
6 pt Rubber 363521
12 pt Rubber 363021
13 / 16 20.8
6 pt Magnet 366521
12 pt Magnet 366021

1/2" Spark Plug Sockets Torque Wrench & Accessory

1/2" Socket
Size Size L(mm)
(inch) (mm) Type
70
6 pt Rubber 463514RC Gear Square Torque Range Torque Range
9 / 16 14 KT NO. Teeth Drive in‧lb / ft‧lb Incr. N‧m Incr.
12 pt Rubber 463014RC 34362-1CG 24 3/8" 40~200 in‧lb 1 in‧lb 5.1~22.0 N‧m 0.12 N‧m
34362-2CG 32 3/8" 15~80 ft‧lb 0.5 ft‧lb 23.7~105.1 N‧m 0.7 N‧m
6 pt Rubber 463516RC
Gear Square Torque Range
12 pt Rubber 463016RC KT NO. Teeth Drive N‧m Incr.
5 / 8 16
6 pt Magnet 466516C 34362-2DG 32 3/8" 20~100 N‧m 0.5 N‧m
34362-3DG 32 3/8" 10~60 N‧m 0.5 N‧m
12 pt Magnet 466016
23 / 32 18 6 pt Magnet
KT NO. Square Torque Range Torque Range Total Length
6 pt Rubber 463521RC Drive N‧m ft‧lb kgf‧m
34307-1A 3/8" 27~135 N‧m 19.9~99.6 ft‧lb 2.75~13.76 kgf‧m
13 / 16 20.8 12 pt Rubber 463021RC
6 pt Magnet 466521C KT NO. Spec.
1/2" drive (M) 3/8" drive (F)
3814 3/8"F x 1/2"M
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