20 Frank

The Information on the cylinder head from 4 Piston Racing. This port was specifically designed for the smaller TSX port. It is a high flowing, small volume port with high air speed. CNC Ported intake and exhaust ports. OEM Guides left in for porting. Precision CNC valve job using the latest NEWEN Fixed Turning technology. All Motor Street and Race Engines. Perfect for stock to basic 2.0L engines. Perfect for 2.0L Road Race where midrange punch must be retained. Suitable for all out 2.0-2.4L Road Race engines with high hp in mind and low end, off corner acceleration.

This is our preferred cylinder head for SFWD and AWD Turbo cars exceeding 1000whp. Also look at the Kingpin for extreme horsepower levels. The RBB TSX heads have the smallest port and least material available for machining when compared to the other K-Series castings. This port was designed to fit in this casting, and takes a mediocre 275cfm cylinder head and transforms it into a 340+cfm race winner!

Slow-cut precision 5-axis cnc porting, second to none on machining quality. 45 degree valve job designed for long life and durability. Unique power producing exhaust port design. Smaller intake port volume, high air speed port design.

Optional full length bronze manganese valve guide for valve stability. Port walls are left extra thick for high boost applications when used in other castings.

This head works for Honda K20 and K24 engines! Head Specs Added Valve Train, Springs etc.