Note: All 6 volt models will require a comversion to a 12 volt electrical system

67215-89 (knob only) and 67117-85 (screw only)

030" paper cylinder base gaskets

Fits: > 52-72 K

Converts from 102 tooth to 66 tooth

Piston 74" +.040 8,5:1 Signalhorn Note: All 6 volt modelsStandard 8: 1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components, prior to installation. It is of importance that a knowledgeable mechanic will install & make adjustments as required. The rider must follow