Clinton Performance Machine

Clinton Performance Machine

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CPM offers engine block and cylinder head machining services as well as custom engine assembly.

Photos from Clinton Performance Machine's post 05/23/2026

383 SBC shortblock for sale.

4 bolt main 2pc seal 350 block with ARP main studs, GM 5.7” rods with ARP bolts, 4.030” forged flat top pistons. Cylinders honed, decks resurfaced, crank turned .010” under, new cam bearings, rod bearings, main bearings and piston rings. Crankshaft was balanced with a new 168 tooth flex plate and new damper. Flexplate and damper included. This was a previously assembled and run shortblock that’s been rebuilt.
$3000

Photos from Clinton Performance Machine's post 05/15/2026

FOR SALE!

We have two Gen 3 Iron LS blocks fully machined and ready to assemble. These can be sold as they are or built for your needs.

1. Gen3 Iron 6.0, 4.020” finished bore.

2. Gen3 Iron 5.3, 3.800” finished bore.

Both blocks have been cleaned, align honed with main studs, bored, honed and decked.
New Dura Bond cam bearings installed, new Melling plug kit installed. New main stud kit included. $1500 per block.

Photos from Clinton Performance Machine's post 05/13/2026

If you’re looking for a good way to make 1000+ rear wheel horsepower on nitrous, this probably isn’t it. This 57 year old, 2 bolt main, stock Windsor block took it like a champ for 4 seasons and hundreds of passes. Now after a freshen up we’ll see how much longer it can do it.

Photos from Clinton Performance Machine's post 01/16/2026

If you’re looking for a great foundation for your next Coyote build we have two Predator blocks available. New in the box. We’ll sell them bare or build for your power level.

Photos from Clinton Performance Machine's post 10/06/2025

Finished up the top end of this 400ci LS stroker over the weekend. The Trick Flow EFI manifold was plumbed with a fogger kit by Nitrous Express. Unfortunately there were a few fitment concerns that required removing the nitrous system and milling the manifold. After those were resolved the intake was handed off to Fast-Cat Porting Service to port match the intake to the heads. With all the prep work completed the engine is ready to hand off to the

Photos from Clinton Performance Machine's post 10/01/2025

A few pictures of a recently completed 496 big block Chevy. It’s pump gas friendly with 11:1 compression and finished off with Trick Flow 320 heads and Jesel sportsman shaft rockers.

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8006 Old Alexandria Ferry Road
Clinton, MD
20735

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 8:30am - 12pm