AccuSpark™. 1 Set 8mm AccuSpark HT leads. Fitted with a Lucas 25D type distributor. 1 Distributor cap for Lucas 25d. Ignition service kit for Suitable for Triumph Herald Models. Still more importantly, the rivet which holds the brass inlay into the moulding is slightly longer than the original, bringing it too close to the spring clip on the underside.
