SPEC Stage3+ Clutch and Flywheel for SBC

[revmatcher]

MAKE AN OFFER!!
Racing clutch and flywheel from SPEC for a Small Block Chevy, lightly used.
Clutch is Stage3+ model SC423F
Flywheel is Aluminum model SC85A
Here are some links:
https://specclutch.com/product/sc423f/ ($749.00 new + aluminum option)
https://specclutch.com/product/sc85a/ ($585.00 new)
This particular example of the clutch has the optional Aluminum Pressure plate housing, for which I can't find the original cost. The (nearly) all-aluminum construction makes this one of the lightest clutches you can buy. The flywheel showed only 13.1 lbs on my scale. Have a look at the photos, the pressure plate basically looks like new, and the clutch disc only shows light wear.

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[pgutier1]

Racing clutch and flywheel from SPEC for a Small Block Chevy, lightly used.
Clutch is Stage3+ model SC423F
Flywheel is Aluminum model SC85A
Here are some links:
https://specclutch.com/product/sc423f/ ($749.00 new + aluminum option)
https://specclutch.com/product/sc85a/ ($585.00 new)
This particular example of the clutch has the optional Aluminum Pressure plate housing, for which I can't find the original cost. The (nearly) all-aluminum construction makes this one of the lightest clutches you can buy. The flywheel showed only 13.1 lbs on my scale. Have a look at the photos, the pressure plate basically looks like new, and the clutch disc only shows light wear.

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Great setup and great product!

I ran a Spec 3+ with alum FW in my 1988 Audi 5kqt and what a difference!

GLWTS

 

[Scooterwrench]

What is the diameter of that clutch plate?

 

[revmatcher]

What is the diameter of that clutch plate?

The flywheel is 153 tooth type which is 12.75" diameter. If you like I can get the exact dimension.
I modified my 4L60E dust cover to work with a 153 tooth flexplate and starter. Stock on my 1997 Tahoe is a 168 tooth (14.13" diameter) flexplate. Links for reference:

Summit Racing SUM-G103SFI Summit Racing™ SFI-Approved Flexplates | Summit Racing

Free Shipping - Summit Racing™ SFI-Approved Flexplates with qualifying orders of $109. Shop Flexplates at Summit Racing.

www.summitracing.com

Summit Racing SUM-G100SFI Summit Racing™ SFI-Approved Flexplates | Summit Racing

Free Shipping - Summit Racing™ SFI-Approved Flexplates with qualifying orders of $109. Shop Flexplates at Summit Racing.

www.summitracing.com

 

[Scooterwrench]

The flywheel is 153 tooth type which is 12.75" diameter. If you like I can get the exact dimension.
I modified my 4L60E dust cover to work with a 153 tooth flexplate and starter. Stock on my 1997 Tahoe is a 168 tooth (14.13" diameter) flexplate. Links for reference:

Summit Racing SUM-G103SFI Summit Racing™ SFI-Approved Flexplates | Summit Racing

Free Shipping - Summit Racing™ SFI-Approved Flexplates with qualifying orders of $109. Shop Flexplates at Summit Racing.

www.summitracing.com

Summit Racing SUM-G100SFI Summit Racing™ SFI-Approved Flexplates | Summit Racing

Free Shipping - Summit Racing™ SFI-Approved Flexplates with qualifying orders of $109. Shop Flexplates at Summit Racing.

www.summitracing.com

Thanks,That's probably a 10" clutch. I have close to the same setup(Corvette)that I was going to run behind my 355 for an S-10 build.

 

[revmatcher]

You might ask, why did I use a 153 tooth flexplate?
Becauses I found a beautiful NOS 153 tooth starter on Craigslist for $50. Bought that, then researched the flexplates and realized I needed the 153 tooth version. Thought nothing of it. Once I got the transmission and motor into the truck, I went to install the dust cover over the torque converter and it didn't fit. Did some research to look for a 4L60E dustcover for a 153-tooth starter and I don't think they make one. So I modified mine with a grinder, a hand file, and a lot of swearing.

 

[Scooterwrench]

You shouldn't have any cranking problem with mild compression.

 

[revmatcher]

It starts right up.

 

[revmatcher]

Bump

 

[revmatcher]

Noboby interested? I'm willing to let this go cheap....