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#91089665-HEADS
SoloSwap® Ford Godzilla Mock Up Engine Swap Cylinder Heads
- Patent pending SoloSwap® Godzilla mock up heads are for use with 91089665-SHORT mock up block
- Mock up heads are also compatible with all 7.3 and 6.8 Ford Godzilla OEM engine blocks
- Replicates all versions of the Ford Godzilla engine cylinder head from 2020 to current, including 7.3L and later 6.8L models
$199.99
/pair
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Garage Sale alternatives: from $64.12
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Product Summary
- Patent pending SoloSwap® Godzilla mock up heads are for use with 91089665-SHORT mock up block
- Mock up heads are also compatible with all 7.3 and 6.8 Ford Godzilla OEM engine blocks
- Replicates all versions of the Ford Godzilla engine cylinder head from 2020 to current, including 7.3L and later 6.8L models
- Heavy duty 12 gauge steel construction is designed to last unlike the typical foam mock up parts which often suffer damage from thread inserts pulling out of the foam core
- Accepts all factory and aftermarket components including valve covers, intake manifold, and exhaust
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Speedway Motors 91089665-HEADS Details
- 12-gauge steel construction is strong, durable, and lasts unlike foam/plastic versions
- Accepts all Godzilla bolt-on parts (exhaust, intake, valve covers)
- Designed to work with the patent pending SoloSwap® Godzilla short block or OEM block casting
- Can be used to mock up any 2020 to current Godzilla, including 7.3 and 6.8 heads
- Ships and can be stored flat with simple assembly/disassembly steps
- All hardware included for assembly of mock up cylinder heads
- Customer supplied head bolts and accessory bolts required to add parts to mock up
SoloSwap® Godzilla V8 Short Block Owners Can Now Add Our Mock Up Cylinder Heads
As Ford's replacement for the aging Modular 6.8L V10 SOHC engine used in Super Duty trucks, the 7.3L Godzilla engine, a clean sheet pushrod design that shocked Ford enthusiasts, debuted in the 2020 F-250 and higher Super Duty pickups. With over 20 years of Modular engine production and Ford's Coyote engine, which debuted in 2011, being one of the hottest "Ford in a Ford" engine swap ideas, the new Ford Godzilla engine has quickly become swap fodder for many Ford enthusiasts. It's not terribly hard to find a wrecked Super Duty in the salvage yard and Ford Performance and others are even offering Godzilla-based performance crate engines.
Meanwhile, you can find swap mounts, accessory drives, and more to make your Godzilla swap a near bolt-in if you have a popular chassis like a Fox Body Mustang. But what if you're trying to fit your Ford Godzilla engine swap into an early Maverick, or maybe even a classic F-100 pickup? This is where the assistance of a mock up block proves its worth. Our SoloSwap® Godzilla mock up block is the perfect solution. Offered in both long and short block versions, we now offer the long block's mock up cylinder heads separately for use with the short block version (to convert to a long block mock up solution) or to add to a production engine block casting for mock up purposes.
Laser Cut Steel Plate for Strength, Simplicity, and Easy Storage
Just like the patent pending SoloSwap® Godzilla 7.3 mock up blocks, the separately available Godzilla heads are made from the same 12-gauge steel that is laser cut, and press bent for easy assembly. These cylinder heads bolt together with the included assembly hardware and can be attached to your SoloSwap® short block or OEM engine block casting. Standard nuts and bolts are required for attaching to the SoloSwap® short block, while for use with OEM block castings 13mm bolts will be required to retain the mock up heads to the stock block. We designed our SoloSwap® Godzilla mock up heads with all accessory mounting holes accessible from the back side for simple "nut and bolt" assembly of your accessories for engine mock up, just like the matching short block. No more thread inserts that work their way out of the foam cylinder head material or even needing the factory hardware during the mock up phase. Just grab yourself any fastener of the proper length and diameter to install your headers, valve covers, or intake, saving the good installation hardware for final assembly.
Our steel mock up cylinder heads can also be easily disassembled for storage, just like our SoloSwap® mock up blocks. Unlike some steel mock up tools that utilize folding tabs that once they are bent over the mock up tool stays assembled, taking up much more room. Store your disassembled mock up heads wherever they will easily fit, such as under a workbench, on a shelf, or even in your toolbox drawer.
Speedway Motors 91089665-HEADS Specifications
Speedway Motors 91089665-HEADS Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91089665-HEADS |
| Brand | Speedway Motors |
| GENERAL | |
| Sold in Quantity | Pair |
| Notes | For use with 91089665-SHORT Godzilla SoloSwap mock up short block or OEM block |
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Ratings & Reviews
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Fitment
Fitment
2017-2022 Ford F-250 Super Duty
Ford 7.3 Godzilla
2017-2021 Ford F-350 Super Duty
Ford 7.3 Godzilla

