Champion N21 long reach spark plugs for the well known Petter A1 single cylinder petrol engines. A direct equivalent of the Lodge BL14 plug originally used in these engines.
| Manufacturer | Champion |
| Part Number | N21 |
| Diameter | 14mm |
| Reach | 19mm (3/4") |
| Hex Size | 20.8mm (13/16") |
| Seal Type | Gasket Seat |
| Resistor | No |
| Terminal Type | M4 Thread |
| Electrode Material | Standard Nickel |
| Projection Type | Non Projected |
| Tip Configuration | Single Electrode |
-92ed3c31786ca643c87cf73fe8d7f377.png)
Lister Engine Spares
Lister Start-O-Matic Spares (18)
Petter Engine Spares
Paragon Paint Products
Gaskets & Gasket Sets
Magneto Spares
Fuel Injection
Water Pumps & Spares
Books & Transfers
Starting Handles (19)
Wolseley Spares (29)
Stuart Turner Spares (7)
Brass Fuel Cocks & Water Drain Taps
Sight Feed Lubricators & Oil Level Gauges
Alternators, Invertors, Base Plates & AVM's
Transmissions - Pulleys & Belts
Gasket Materials
Fixings - Nuts, Bolts & Studs
Workshop Consumables
Tools (28)
Plastigauge
Genuine Lister Parts stock
