$1,893.78
No need to upgrade valve springs Gives your mustang that old school idle Great HP gains Give any 3-valve 4.6l or 5.4L a lopey idle... View full product details
$1,604.99
Combustion chamber volume 60cc Intake runner volume 170cc Intake valve diameter 1.90 Exhaust valve diameter 1.60 Designed for non-emissions 289, 302, and 351-Windsor Ford engines.... View full product details