head packages.

Porting heads is a Polk specialty, one that has gained them quite a reputation across the country. The Polk head on racer John Sheppard's car gained him a full second. Head porting increases the efficiency of airflow in your motor, allowing you to gain power and speed without the addition or changing of any other parts on your vehicle. Polk Performance offers a variety of head packages to meet your performance needs. Starting prices are listed below.

$675 Level 1 Package: bowl work, short side radius work

$975 Level 2 Package: add gasket match to Pkg. 1

$1375 Level 3 Package: add full intake and exhaust runner work to Pkg. 2

$2195 Level 4 Package: add C&C program, upgraded springs & retainers to Pkg. 3

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