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£50,709

521 Stroker-Powered Superformance MKIII 5-Speed

United States • 25 Jun 2026

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Vehicle Details

AI Listing Summary

This Superformance MKIII Cobra replica boasts a recently rebuilt and stroked 521ci V8 engine paired with a five-speed manual transmission and upgraded suspension. The car features a classic black and silver stripe color scheme but has some noted cosmetic imperfections, including repainted panels and blemishes.

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Condition 

6

The car has had several panels repainted (hood, front apron, driver-side door) and the seller notes blemishes on the hood scoop and lower sections of the car, along with touched-up areas. While mechanically sound with a rebuilt engine and upgraded suspension, these cosmetic imperfections prevent it from being rated higher than 'Good'.

/ 10

Transmission:

Manual

Chassis No:

AC9CSLK1397AM1273

Odometer:

14,000 miles

Reg Number:

[Reg Number]

RHD/LHD:

LHD

521ci V8 Five-Speed Manual Transmission Centerforce Dual Friction Clutch Black Paint w/Silver Stripes Black Leather Upholstery 15" Halibrand-Style Knock-Off Wheels QA1 Adjustable Suspension Components Olthoff Racing Anti-Roll Bars Hood Scoop Single Roll Hoop Low-Back Bucket Seats w/ Harnesses Wood-Rimmed Steering Wheel
This Superformance MKIII Cobra replica was registered in Virginia before its 2024 acquisition by the seller, who tells us that an engine rebuild carried out in September 2025 involved boring and stroking the SVO Cobra Jet crate engine to displace 521ci, installing a forged rotating assembly, machining the aluminum cylinder heads, and fitting a roller valvetrain as well as a Comp roller camshaft, an Edelbrock Performer intake manifold, a re-jetted Proform 850-cfm carburetor, long-tube exhaust headers, and more as described below.

Finished in black with silver over-the-top stripes, the car also features a five-speed manual transmission, a Centerforce dual friction clutch...

Points of note

£36,150

Lowest Price (Since 2020)

£57,868

Median Price (Since 2020)

£194,159

Highest Price (Since 2020)

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World Record

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Bottom 40%

The sale price places it in the bottom 40% of sold prices we've ever seen for the Superformance Cobra

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Previous Sales

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MOT Information

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MOT Mileage Trend

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