Katman Core LLC

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Katman Core LLC Catalytic converter broker based in Madison that focuses on proper grading.

Maybe this can get you a raise with your current buyer. This is what we are paying today!100 piece minimum Already grade...
09/23/2026

Maybe this can get you a raise with your current buyer. This is what we are paying today!

100 piece minimum
Already graded
Paying cash
Transaction will be in Madison Wisconsin

121.5 $210
1393 $145
5f93 round $95
617aas $290
GK6 $220
Gl9 $80
6415 $160
Large Greenbean $360
2eaa0 $200
974AAS $280

Will consider smaller amounts from legitimate sellers. All transactions are invoiced and documented.

Currently buying:New converters Junk converters Alloy wheelsStartersAlternators Ac Pumps Physical Silver Physical Platin...
08/26/2026

Currently buying:
New converters
Junk converters
Alloy wheels
Starters
Alternators
Ac Pumps
Physical Silver
Physical Platinum
Physical Gold
Physical Palladium
US Currency

Paying over 50k cash for semi loads of wheels in Madison. Call for details 608-308-3999 We can also do bank wires as wel...
07/28/2026

Paying over 50k cash for semi loads of wheels in Madison. Call for details
608-308-3999
We can also do bank wires as well.
There is a reason we dont post converter prices very often, lol but buying those as well.
Small window to take advantage of this locked in price.

Paying cash in Madison! B2B Volume buyer! If we can fill a semi we can discuss trucking from your location
07/27/2026

Paying cash in Madison! B2B Volume buyer! If we can fill a semi we can discuss trucking from your location

Some of the strongest pricing around!Currently buying the following:Catalytic Converters Wheels StartersAlternators Ac p...
07/21/2026

Some of the strongest pricing around!
Currently buying the following:
Catalytic Converters
Wheels
Starters
Alternators
Ac pumps
Gold
Silver
Platinum
Palladium

Next Tuesday is the last day to get wheels in at our crazy price! Dropped off in Madison chrome, chrome clad, dirty etc...
06/30/2026

Next Tuesday is the last day to get wheels in at our crazy price! Dropped off in Madison chrome, chrome clad, dirty etc. Paying cash

Need about 500 more wheels to fill the Gondola! Will buy 8000 wheels if needed lol! CA$H
06/23/2026

Need about 500 more wheels to fill the Gondola! Will buy 8000 wheels if needed lol! CA$H

Our converters hard at work!
06/17/2026

Our converters hard at work!

Finished product right here.Platinum and palladium
06/14/2026

Finished product right here.
Platinum and palladium

Gk6 $2254583 $185501ac $808379 $130974AAS $280B6e $200Fca58 $908681 $1409328 $105Small Breadloaf $185Prices based on tod...
05/28/2026

Gk6 $225
4583 $185
501ac $80
8379 $130
974AAS $280
B6e $200
Fca58 $90
8681 $140
9328 $105
Small Breadloaf $185
Prices based on today's live market
50 pieces or better graded
Paying cash in Madison Wisconsin

Address

Madison, WI

Telephone

+16083083999

Website

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