Sideways Kremer Porsche 935/K2 Slot Car. RCSW45 is a model of the Group 5 Kremer Porsche 935/K2. This Ricoh backed car was driven at the 1978 Le Mans 24hrs by John Winter, Dieter Schornstein & Philippe Gurdjian. The adjustable sidewinder chassis features a separate motor mount fitted with a 20.000 rpm flat 6 motor. Most of the parts are supplied by Slot.it.