







The Powerspark 45D distributor is a brand new casting, taken from an original model. Being such a popular distributor, our 45D is a big seller for classic car enthusiasts worldwide in this new, electronic form. Electronic Ignition models replace the points set with the patented Powerspark Electronic Ignition module.
Powerspark Electronic Ignition is the original electronic ignition conversion for classic cars, giving reliable starting and hassle free ownership.
Powerspark does offer a positive ground 45D type distributor (without the 1275 specific curve) but it's more expensive than the PSD4-75.
Spridget Mania Tech Team
The Spridget Parts and Accessories Experts
There was no factory 1298cc engine. 57's came from the factory with a 948cc engine and a smoothcase 4-speed gearbox.
It's possible you have an overbored 1275cc from a Sprite or Midget and ribcase gearbox as this is a very common upgrade.
Overbore sizes of the 1275 are:
+0.020" = 1293 cc
+0.040" = 1310 cc
+0.060" = 1330 cc
I think a +.030" is around 1301cc so maybe that's what it is. Anyway, all of the components for a 1275 are the same regardless of the overbored size. All the hardware is Imperial not metric or Whitworth.
We don't sell feeler gauges or timing lights but do sell carb gauges. You'll need to know what carb(s) you have and which distributor.
Spriget Mania Tech Team
The Spridget Parts and Accessories Experts
Spridget Mania Tech Team
The Spridget Parts and Accessories Experts
The Powerspark 45D distributor is a brand new casting, taken from an original model. Being such a popular distributor, our 45D is a big seller for classic car enthusiasts worldwide in this new, electronic form. Electronic Ignition models replace the points set with the patented Powerspark Electronic Ignition module.
Powerspark Electronic Ignition is the original electronic ignition conversion for classic cars, giving reliable starting and hassle free ownership.
I would suggest this is a good option; https://www.minimania.com/part/PSD10/Classic-Mini-59d-A-Electronic-Distributor-With-Powermax-Red-Rotor
Mini Mania Tech Team

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