Gen 1 L81 Small Block Chevy Cylinder Block Components

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

Identify SBC heads using casting numbers, style tips, and year-by-year guides for your small block Chevy engine projects

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.

The 1964 Corvette L79 327 is legendary, learn more about this storied engine and what you need to build a clone.

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

Engine Cylinder Numbers