The 350 flywheel would not have been used on a 235 engine as they are not compatible. It's possible that the clutch may have been used with the 350 if the flywheel was drilled for the smaller pressure plate. I'm not sure what the standard for "like new" would be from someone selling something.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine