rectangular port, 118 cc chambers Valve size (in): 2.25 intake 1.88 exhaust ... -port aluminum Bowtie heads with stiffer valve springs to work with the new cam ... pistons with full-floating wrist pins, stiff dual valve springs, and a louvered ... wires. Distinctive 572 cast aluminum valve covers complete the package. All you ...
arms are self-aligning with improved stiffness and accommodate up to 0.575" valve lift ... When using a high lift camshaft, check valve spring coil bind, retainer-to-seal ... clearance, and piston-to-valve clearance. Check for adequate pushrod ... heads. It may be necessary to remove valve cover drippers for proper rocker arm ... be used on ZZ3 engines with orange valve springs. 12367347 Adjuster Nut for ... will not work with standard-height valve covers. When using a high lift camshaft ... , check valve spring coil bind, retainer-to-seal clearance ... , and piston-to-valve clearance. Check for adequate pushrod ... heads. It may be necessary to remove valve cover drippers for proper rocker arm ...