Spark Plug Caps
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Industrial Straight Spark Plug Cap Glazed Ceramic (Threaded post connector)
Part no: CPC1Excl. Tax: £21.67 Incl. Tax: £26.00 -
Replica Champion Spark Plug Cap HTC Red
Part no: HTCExcl. Tax: £8.12 Incl. Tax: £9.75 -
Bosch 0356100006 Spark Plug Suppressor
Part no: 0356100006Excl. Tax: £14.82 Incl. Tax: £17.79 -
Champion Spark Plug Cap SRO5U-R
Part no: SRO5U-RExcl. Tax: £4.13 Incl. Tax: £4.96 -
NGK SD05F Resistor Spark Plug Cap red 8238
Part no: SD05F-RExcl. Tax: £2.15 Incl. Tax: £2.58Out of stock -
NGK SB05F Resistor Spark Plug Cap black 8080
Part no: SB05F-BExcl. Tax: £2.46 Incl. Tax: £2.95Out of stock -
NGK SD05F Resistor Spark Plug Cap black 8022
Part no: SD05F-BExcl. Tax: £2.48 Incl. Tax: £2.98Out of stock -
NGK SB05F Resistor Spark Plug Cap red 8567
Part no: SB05F-RExcl. Tax: £2.22 Incl. Tax: £2.66Out of stock
Most caps that we stock are new, as the old stock is becoming increasingly hard to obtain. NGK have by far, the largest range of plug caps and most are resisted.
The non resisted caps have part numbers such as LZFH & R90 which are right angled with different fittings for SAE (this is known as a bullet fitting on top of the spark plug).
Please note that some spark plugs have a removable top, some have the M4 threaded post and some have the SAE bullet fitting. If purchasing a fixed bullet fitting, a cap which takes the bullet fitting will also need to be purchased.
Some old looking caps that we sell include:
HTC (Straight)
WCX600 (Right Angle)
and R90 (a replica of the Lodge plug caps.)
The Green Spark Plug Company is a family run business with over 40 years of experience. We have sold over one million spark plugs and also stock a huge number of related products for modern and vintage engines.
You can order from our website or phone us for technical advice.