53 Chevy 235 power glide, 53-57 235, 65-55 261 , 55-57 261 cid  Johnson Main Bearing kit Chevy 235 261 6 cyl 10 over CB591  cb592 c.f. 593 cb594  x10 is numbers on the boxes. Any questions please email and ask. Check out our store. Thanks for ebaying with us.