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Big Boy Racing Fabrication
4.6 - 5.4 Rotating Assembly
Cold Air Induction 86-03
About Us
Our Products & Services
Big Boy Racing Pro series control arms (Mustang/Camaro)
Roll Bars
Torque boxes/Axle tubes
5.0 - 5.8 / Stroker Rotating Assemblies
Modular Performance 4.6 SOHC and DOHC ported heads
'96 - '98 PI Head Conversion Package
4.6 - 5.4 Short Blocks / Long Blocks / Strokers
4.6 - 5.4 Rotating Assembly
4.6 custom cams
Transmissions/Rear end/Gears
Contact Us
If you would like to build your own engine, we can sell you all the parts you need to build your dream long block or short block, from stock to full forged competition internals.
Level One rotating assembly: 
Manly rods 4340 forged H-beam, Manly competition pistons, Manly plasma moly piston rings, clevite 77rm bearings, new forged Cobra crank shaft.


Level Two rotating assembly:
Manly severe duty custom forged pistons (option added)


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