Flywheel 200mm 4 dowel, 12 volt Upto 7/75 311-105-271CH 311105271CH Was £75.00 - Now £67.50! Quantity: at £67.50 each Add To Basket Top quality flywheel. Correct for all 12 Volt Type 1 Engines. Fits all 1600cc Bay Window 68-75 Fits all 12V Split bus with 200mm clutch. This is the flywheel you use when converting 6V bus to 12V.