Announced July 9, 2013
Chevrolet Performance announces the launch of the new and improved Circle Track Crate Engine (CT400), p/n 19318604, to the Chevrolet Performance Parts Program.
The foundation is the same, sturdy iron block with four-bolt mains, a forged crankshaft and high-strength pistons, but enhancements have been made. Chevrolet Performance customers will find their 8604's coming with the new cylinder head which features "blue" beehive-style valve springs. The engine is easily identified by the Chevrolet Bowtie logo on the end of each head, formerly identified with the GM Performance Logo.
CT400 - Circle Track Crate Engine
Part Number # 19318604
Note: All measurements were taken with Chevrolet Performance components. Use of any other type of components may yield different results.
If Customer has an 88958604, the following can be used to upgrade:
This is a Chevrolet Performance product.
FREE SHIPPING TO THE LOWER 48 STATES