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Squarebody LS Swap Parts List

Updated: Mar 27

Affiliate Disclosure: Links in this article may be affiliate links. Affiliate links provide me a small commission on purchases of products, or by clicking on the link.


Here is EVERY Single Part used on my 81 C20 Pickup so far:

*Note: Some items may not be identical between sellers

** Some links may be Affiliate links - a small commission may be earned on sales using these links.

Table of Contents:

Mounts:




Transmission Crossmember

73-87 C10 Transmission Crossmember
73-87 C10 Transmission Crossmember

Ebay :$78

Amazon: $97

SUM-770282







Engine Mounts:

SBC to LS Mounts:

(They work but aren't the greatest)

LSX Innovations SBC to LS Mounts
LSX Innovations SBC to LS Mounts

Ebay: $35

Amazon:$36







C10 Specific Mounts:



C10 LS Mounts
C10 LS Mounts


Amazon: $58





Fuel System:


Fuel tank:


87-91 Chevy R10 Fuel Injected



Spectra Premium Fuel Tank GM1C
Spectra Premium Fuel Tank GM1C

Ebay: $100

Amazon: $105

Autozone: $124.99

*Coupon - $20 Off $100 or more ends 9/18/21




Fuel Pump:

Walbro GSS342



Walbro GSS342
Walbro GSS342

Ebay: $79.98

(Not Walbro But should be compatible)








Fuel Sending unit:

87-91 Chevy R10



87-91 Chevy R10 Fuel Sending unit
87-91 Chevy R10 Fuel Sending unit

Ebay: $60

Amazon: $96










AN-6 Hose Kit



Ebay: $52

Amazon:$69.99











Fuel Injection Hose Clamps (3/8")


Ebay: $6

Amazon: $14








AN-6 Fuel Filter



Ebay: $24

Amazon: $26








Fuel Filter Mount



Ebay: $10

Amazon: $13









Push to connect - AN6 Adapter Fittings


3/8 (Inlet)


Ebay: $14.91

Amazon: $9











5/16 (Return)


Ebay: $10

Amazon: $9







Engine Parts:

4.8 Pistons:



TH400 Crank Spacer:



Gasket Set:



Exhaust:

Long tube Headers:

(Didnt fit for me but maybe you'll have better luck)

Amazon: $267

Ebay: $280



Shorty Stainless Manifolds:

Amazon: $200

Ebay: $156



Transmission:

AN 6 Transmission Cooler:

Amazon: $39

Ebay: $45


4l60e AN 6 Adapter fittings:

Amazon: $12

Ebay: $11



Wiring Harness:

Cheap harness:

Ebay: $280

(This one includes Injector adapters, just include Delphi in Notes)

Amazon: $260


Delphi injector adapters

Ebay: $29

Amazon: $27


Driveshaft Parts:

4l60e Slip Yoke:

Amazon: $66

Ebay:

Moog 348 U joint (1310 to 1350 for slip yoke end):

Amazon: $26

Ebay:

C20 Center Bearing:

Amazon: $26

Ebay:


Power Steering:


Power Steering Box AN6 Adapters

Amazon: $15


Power Steering Pump AN6 Adapter

(M16 x 1.5)

Amazon: $12

Ebay :$8


Power Steering Hose

Amazon: $21

Ebay: $21


Russel Powerflex Fittings:

x2 Needed

Amazon: $22

Ebay: $21







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