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Modified 2021 Dodge Durango SRT Hellcat with 426ci twin-turbo V8 goes up for sale
A 2021 Dodge Durango SRT Hellcat, reworked by its owner with a 426ci V8 replacement, twin 72mm turbos and a long list of chassis upgrades, is being offered for sale in Florida.
By Eleanor Ellington · 3 min read
A heavily modified 2021 Dodge Durango SRT Hellcat is being offered for sale by its owner, with a replacement 426 cubic-inch V8 and a twin-turbocharged induction setup that set it apart from the factory vehicle. The seller is offering the truck on the owner's behalf, and it carries a clean Florida title in the owner's name.
The engine is a TKM Performance 426ci V8 replacement, built and installed by E's Garage in Florida in 2023. Its internals include a Dart block, Callies crankshaft, Boostline rods and Diamond pistons. The seller gives a compression ratio of 10.5:1 and says the engine runs on E85 fuel. Forced induction comes from a Hellion twin-turbo system fitted with 72mm turbochargers, open wastegates and a water-to-air intercooled intake manifold. A revised ECU and a Turbosmart boost controller handle the tuning. The seller's performance and E85 claims have not been independently verified.
Power is sent through an eight-speed automatic that was modified by D&B Auto in Tennessee, with an upgraded transfer case and transmission, a billet input shaft and an uprated converter. The truck runs all-wheel drive with an electronic limited-slip rear differential, and the driveshaft, axle shafts and differential braces have also been upgraded. The suspension includes AAD billet rear arms and links together with Eibach lowering springs.
On the outside, the truck wears Destroyer Grey paint with black center stripes, and it rolls on Weld forged beadlock wheels measuring 20 inches at the front and 17 inches at the rear. It is shod with Mickey Thompson front tires and ET Street R rear drag radials, and it stops with Brembo SRT calipers and two-piece vented front rotors. Other exterior features include a sunroof, LED headlights, a vented hood, parking sensors and tinted glass.
Inside, the cabin is trimmed in red and black Laguna leather, with heated and ventilated front seats and heated captain's chairs in the rear. Rear-seat passengers have entertainment screens mounted on the headrests. Technology includes a 10.1-inch Uconnect 5 display, Harman Kardon audio and adaptive cruise control, and the safety equipment includes blind-spot monitoring and forward-collision warning.
The truck has 43,000 miles on the odometer, with about 1,200 added before the current owner's ownership began. A Carfax report shows no accidents or damage, though at least one recall is listed. The owner bought the vehicle in 2021 and later modified it. A build invoice totalling more than $116,000 is displayed, but the final cost has not been independently confirmed.
Source: bringatrailer.com
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