WHAT IS THIS? Adjustable spring plates, linkage for sway bar, 100mm CV axles, frame horns turned up 5 degrees at ends.
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Rear section of a IRS suspension with frame horns. The Street beats Speedster kit required this very section to be grafted in to their frame. I did two of them but the way SB supplied brackets were made they were junk so I welded everything in place.
Looks like it's from a 1967-68 VW with the Z-bar rear anti sway bar. VW introduced those to eliminate rear roll and the wheels tucking in causing curious handling. It didn't last but a year or 2.
It isn't a Z bar mount- as Greg said, they were first on '67 Beetles, were on the '68's and dropped in the U.S. with the introduction of irs in 1969. We got Z bars here in Canada until '73 or '74, as bugs had swingaxles until then. When shimmed (you took most of the freeplay out of them) so they were more effective they acted like a camber compensator. For those old enough to remember- maybe VW's response to Ralph Nader's witch hunt on the Corvair? For whatever reason Ralph never went after any of VW's swingaxle cars. I've never seen spring plates like that; and the anti-sway bar mount is (as far as i know) unique as well.
Looks like an IRS rear end with a custom swaybar downlink. It is NOT a camber compensator or Z bar, it's IRS people.
OK, I think the spring plates are porsche 911, adjustable for height and camber with sway bar links. What is with frame horns tilled up 5 degrees at ends?
The spring plates look unusual. To me, the frame horns look like stock VW.
I think it is a rear end from a super beetle 1303 mid seventies ( it had Mc Pherson front suspension ).
The anti rollbar mounts are optional. There are parts from Porshe 924 and 944 that will straight bolt in.
The z bar was used in later swingaxle beetles .
And the nice corvair story back in the days ...It could be saved with a compensator for a few bucks to the rear springs to prevent it from tipping over.
Those anti-roll bar links threw me to think it was the short-lived Z-bar. If it were a Super bit, I'd think it would have the later front trans mount. It doesn't look to be cobbled together but maybe from a non-US model?