Jack Merkel Performance Engines

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Welcome to Jack Merkel Performance Engines
Jack Merkel Performance Engines offers over 30 years experience in the machining and building of high performance engines. Our expertise covers a broad spectrum of import, domestic and restoration applications. We offer complete, in-house machine shop services including cylinder head porting as well as flow bench testing. Noted experts in turbocharged and supercharged applications.
When winning is important call: (732) 388-7088

Gen III 6.4 and 6.7 liter "Stroker" Engines
Turn your mild 5.3/6.0 liter Chevrolet V8 into a hard charging 6.4/6.7 liter beast! Find out more...
Nissan RB26 Engine Package!
Available as a short or long block package. Find out more...

Precision boring and torque-plate honing.
Balance rotating assemblies.
Cylinder head porting.
Multi-angle competition valve seat preparation.
Line boring of main saddles.

Check out our Performance Calculator! Use it to figure out:

Turbo engine vs. naturally aspirated.

Feature articles in GM High-Tech performance Magazine. Jack Merkel Performance Engines had three feature articles in GM High-Tech Performance Magazine. Visit their website, or Download the PDFs below:
- Buick Power Part 1 (968kb)

TV Commercial. See the Jack Merkel Performance Engines TV comercial. Download the Windows Media video files below:
- Download Video (3.1mb)