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£36,778

1981 CHEVROLET K20 CUSTOM PICKUP

United States • 26 Jun 2026 • Lot 381

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Vehicle Details

AI Listing Summary

This 1981 Chevrolet K20 stands out with a powerfully upgraded drivetrain, featuring a 5.9L Cummins turbo diesel engine and an Allison 1000 transmission, complemented by a Dana 60 front axle and Detroit Truetrac rear differential. Its custom paint, polished Weld wheels, and upgraded interior indicate a significant investment in both performance and aesthetics.

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Condition 

8

The car has custom paint, polished Weld wheels, and a custom interior, suggesting it has been well-maintained and likely received significant attention. The powder-coated frame and suspension components also point towards a high level of care. While not explicitly stated as 'pristine,' these details suggest it's in excellent condition, possibly with minor imperfections not detailed in the listing.

/ 10

Transmission:

Automatic

Chassis No:

1GCGC23M7BZ133692

Odometer:

[Odometer Reading]

Reg Number:

[Reg Number]

RHD/LHD:

LHD

SummaryPowered by a 5.9-liter Cummins six-cylinder turbo diesel engine paired with an Allison 1000 five-speed automatic transmission.

Equipped with compound turbochargers, Dana 60 front axle and Detroit Truetrac rear differential.DetailsThis 1981 Chevrolet K20 custom crew-cab pickup is powered by an upgraded 2000 5.9-liter Cummins six-cylinder turbo diesel engine paired with an Allison 1000 five-speed automatic transmission.

The engine is equipped with Mahle pistons, a Hamilton camshaft, 120-pound valve springs, ARP head studs, an R700 compound turbocharger system with 58mm and 71mm turbochargers, and a FASS 150 fuel system.

The Allison 1000 transmission features an ATS Stage 4 kit, triple-disc torque converter and PCS controller, and is paired with a GM 263 transfer case.

The chassis is equipped with a 2005 Ford Super Duty Dana 60 front axle with custom suspension and a 2005 Ford Super Duty 10.5-inch rear axle with a Detroit Truetrac differential and leaf-spring suspension.

The f...

Points of note

£6,325

Lowest Price (Since 2020)

£28,606

Median Price (Since 2020)

£142,835

Highest Price (Since 2020)

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World Record

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Top 30%

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Previous Sales

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MOT Information

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