Butler Performance Original 389, 400, 421, 428, 455 Block, Custom Bore, CORE-389-455
We do not sell core blocks alone.
Original Performance Prepped Block
Additional services for Blocks (added charge)
bored and honed with torque plate
line honed with ARP main studs
cam bearings and brass freeze plugs installed
ready to build
DUE TO LIMITED AVAILABILITY, WE ONLY SELL BLOCKS IN KITS OR ENGINES.
We start with the exact same blocks you would build on your own. It's what we do to take these old dirty blocks that you see here to a beautiful custom built Butler engine. It takes many critical steps in order to become the proper foundation to be a custom Butler Performance engine.
Step 1- 3 Step Cleaning Process
-Baked, Blasted, and Cleaned
Step 2- Visually Inspected
Step 3- Magnafluxed/Sonic Tested
Step 4- Replace Dowel Pins
Step 5- Align Bored (if required)/ Align Honed
Step 6- Bored and Honed with a Torque Plate
Step 7- Square Decked
Step 8- Deburred/ Final Multi Prep Process
(It takes over a full days work for the final prepping process. Including tapping all bolt holes and cleaning all oil galleys)
Step 9- Final Jet Wash/Cleaning/Wipe Down
Step 10- Ready for Assembly
WE BUY PONTIAC BLOCKS!!
We will even arrange shipping to us.
Don’t let more of our Pontiacs get scrapped or just rust away- we will put them to good use!
- Butler Performance
- In stock, ready to order for an engine kit, short block (kit or assembled), or a complete engine only. We do not sell core blocks alone.
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