Flint Hills American Classics

Flint Hills American Classics Specializing in 73-86 C/K and 87-91 R/V series GM trucks. Saving any classic vehicle from the 40s to the 90s!
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05/25/2026

Today we got the rear differential, springs and shocks mounted on the ‘75K20 frame. A few more things to do and the drivetrain will be mounted in the frame and then the body will be mounted on the frame. This is going to be one awesome truck!
Red Head Steering Gears Inc. Mickey Thompson Tires & Wheels Offroad Design Inc Pro Comp

05/23/2026

Happy Saturday and Happy Memorial Day weekend everyone! A little of what we have going on in the shop! Have a great weekend and stay safe!

Hard to find big block brackets with compressor. Compressor is good, clutch is tight and compressor pumps. Came off of a...
05/22/2026

Hard to find big block brackets with compressor. Compressor is good, clutch is tight and compressor pumps. Came off of a 1974 C20. All lines were closed up and system was not open to the elements.

$400 local pick up.
$500 shipped.

Located in Manhattan, KS.

(785)341-1759

This will also be on our website:
www.flinthillssquarebodies.com

More parts added to our Shopify Website!- 1981/82 GMC specific Headlamp bezels.- 1976-1991 Chevrolet 1/2 ton hubcaps- 19...
05/19/2026

More parts added to our Shopify Website!
- 1981/82 GMC specific Headlamp bezels.
- 1976-1991 Chevrolet 1/2 ton hubcaps
- 1976-1991 GMC 1/2 ton hubcaps
- 1973-1980 Complete Rear Sport bumper

More parts getting added soon!

www.flinthillssquarebodies.com

***SOLD***We get asked all the time if we have any rear bumpers- Well, here is a Very nice 1973-1980 (will fit 1981-1987...
05/19/2026

***SOLD***
We get asked all the time if we have any rear bumpers- Well, here is a Very nice 1973-1980 (will fit 1981-1987) rear bumper. This Sport bumper is complete with license plate bracket, lamp, bumper brackets and bumper fillers. Very nice, straight rear bumper.

$500

Located in Manhattan, KS.

(785)341-1759

While a majority of our trucks are Squarebody GM- we just can’t pass up these Dodge trucks. We just got this one in. 197...
05/17/2026

While a majority of our trucks are Squarebody GM- we just can’t pass up these Dodge trucks. We just got this one in. 1979 D100 Custom short bed. V8, auto. We’ve had the 1979 short bed Powerwagon next to it for a year or so.

Parting out! 1984 K10. -700R4/NP208- $500-Rally wheels w/caps/rings. $450-Black folding bench seat- $100-Charcoal Door p...
05/16/2026

Parting out!
1984 K10.
-700R4/NP208- $500
-Rally wheels w/caps/rings. $450
-Black folding bench seat- $100
-Charcoal Door panels with Power windows/locks- $250
-Charcoal seatbelts (missing right buckle) SOLD
-Tilt column (‘84-‘91) $350
-Nice, tinted sliding window- $125
-Cab trim- $50
-Nice, driver quality outside door mirrors- $60

Truck is very rusty as is the radiator support- see anything else you need- text the number below, or message us.

Located in Manhattan, KS.

(785)341-1759

Big Hub Dana 44 out of a 1975 K20. 4:10 gear ratio. We do not have any 8 lug rear differential’s right now. $450- can he...
05/15/2026

Big Hub Dana 44 out of a 1975 K20. 4:10 gear ratio.

We do not have any 8 lug rear differential’s right now.

$450- can help load.

Located in Manhattan, KS.

(785)341-1759

New products just added to the website!*1973-1987 carpet*1975-1980 Silverado/10 fender emblems*1973-1991 Door Hinges. ww...
05/15/2026

New products just added to the website!

*1973-1987 carpet
*1975-1980 Silverado/10 fender emblems
*1973-1991 Door Hinges.

www.flinthillssquarebodies.com

05/13/2026

We got the front end back under the ‘75 K20 today. New bushings in the springs, painted the front differential, installed the new Red Head Steering Gears Inc. steering gear, Offroad Design Inc shackle plates and temporarily mounted the Mickey Thompson Tires & Wheels 16x10 Canyons and 35” tires. This truck is going to be killer.

Address

416 Potowatamie Street
Manhattan, KS
66502

Telephone

+17853411759

Website

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