1 in stock
AA Performance Products. Bolt on cast iron 83mm ‘big bore’ barrel & piston kit that increases engine capacity from 1200cc to 1384cc. No machine work required.
Only for crankcases with 90mm hole, will not fit 87mm crankcase. Always check you crankcase before ordering.
The kit fits 1200cc engines starting from 8/1969 with large oil ducts, from engine number D0525050, up to 12/1977, engine number D1430280.
Engine size: 1384cc
Bore: 83mm
Stroke: 64mm
Cylinders: Cast iron
Pistons: Hypereutectic
Upper Ø 90 mm, lower Ø 90 mm
Compression Height: 38.05 mm
Kit includes: 4 cylinders, 4 pistons, 1 set of piston rings, 4 wrist pins, and clips.