Barrel & Piston Kit 1641cc 87mm x 69mm Cast: Beetle (1960-1979), T2 Bay (1968-1979), T2 Split Bus (1960-1967)Aftermarket reproduction 87mm cast Barrel & Piston kit. Designed for use with a standard 69mm crankshaft increases displacement to 1641cc. Includes piston rings, gudgeon pins and clips. For use with a 1300 Engine, the heads will require machining. Good quality. All aircooled models, T1 1300 1600cc engine