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General Category >> Rubber Side Down! >> Progressive 412
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Message started by BurnPgh on 09/07/08 at 21:12:50

Title: Progressive 412
Post by BurnPgh on 09/07/08 at 21:12:50

Ive searched for any and all terms I can think of that would bring up results for suspension, rear shocks, etc. but have not found any definitive answer to my questions. So here goes

Im assuming HD 412's can be used. Do the shocks have to be the metric version or can the others be used? If Im using the HD 412's (11") what exactly am I gunna have to modify/replace/substitute.

I know sounds like a dumb query thats been gone over a million times but I want to be certain Im not wasting $180 just to be forced to spend another $300.

Title: Re: Progressive 412
Post by Trippah on 09/07/08 at 21:31:42

If you use the search feature, set for 1 year..you'll find several resposnses to progressive 412's..including the need to have some machining done; apparantly HD uses standard us bushings and suzi metric.

Title: Re: Progressive 412
Post by verslagen1 on 09/07/08 at 21:59:24

I bought a set of 412-4005 for $130+shipping.
I needed to make 4 bushings, Ø.625 OD and Ø.551 ID by 0.800 long.

This shock is ok for me, but if I wanted to go 2 up I'd want a heavier set 412-4022's maybe.

Title: Re: Progressive 412
Post by LANCER on 09/08/08 at 03:35:01

Progressive shocks are made with generic size mount holes top and bottom. They use inserts to match assorted size bike mounts and those inserts can be purchased seperately if needed.

Progressive tech line: 760-948-4012
Literature: 877-690-7411
Fax: 760-948-4307

Inserts: Metric & US size set- Part # 5011-008 $15.92
Metric (14mm) set- Part # 5011-051 $11.06

The prices quoted may have changed since I last ordered any sets.

Title: Re: Progressive 412
Post by skrapiron -FSO on 09/08/08 at 05:26:22

When I installed my 412-4005 shocks on my Savage, I had the standard bushings milled out to fit the studs on my bike. The mistake I made was not having the bushings recoated (annodized, painted or anything like that.) They began to rust near the end of summer.

I think you're better off buying the shocks, then ordering the metric bushings from Progressive suspension.

Title: Re: Progressive 412
Post by bill67 on 09/08/08 at 06:13:58

Both set of bushings came with my 412-4233c.

Title: Re: Progressive 412
Post by verslagen1 on 09/08/08 at 09:24:52

I used stainless steel ;D

The 412-4005 are the most commonly available shock, dozzens are on fleabay every day.

4022 & 4233 are rare.

Title: Re: Progressive 412
Post by Reelthing on 09/08/08 at 13:13:39

0334332F112629410 wrote:

sounds like you're buying new shocks not used ones - if that is the case just order the correct ones in the first place -

Soft Ride 11" 412-4232C 90/130lb
Standard 11" 412-4233C 115/155lb
Standard 11.5" 412-4201C 115/155lb
Heavy Duty 11.5" 412-4236C 125/170lb

Title: Re: Progressive 412
Post by vtail on 09/08/08 at 16:48:07

3B3035356F6E590 wrote:

Both set of bushings came with my 412-4233c.

Yes, my 412-4233 came with the correct bushings and some other ones. ;)

Title: Re: Progressive 412
Post by Dj12midnit on 09/08/08 at 20:06:37

Yea I got a stack of bushing with mine too. Hmm maybe I should ebay them.