The REL is and OEM eqivalent to the Yamaha Reliance.
Thru Hub Exhaust
CushionLok Hub
15 Tooth Spline
135hp '87~
150hp '78~
175hp '78~
200hp '78~
220hp '87-'88
225hp All Years
250hp '94~
275hp '90-'94
300hp '83, '99~
3.4L '84-'86
Mercruiser
Alpha One 2.5L-5.7L, D2.8L-D7.3L, 262 Mag, 350 Mag, 454 Mag
Bravo One (Rubber Hub) 1988 & Newer
365hp & Lower 5.7L-7.4L 320 EFI, 350 Mag, 454 Mag