1200-1600 cc ROCKER RATIO 1200 - 1500 = 1.1:1 1600 = 1.23:1 PERFORMANCE ROCKER= 1.5:1 THE 7208HL GRIND ON UP MUST BE GROUND ON A BILLET.
MANY OTHER GRINDS ARE AVAILABLE WITH 290-332 DURATION FOR SPECIAL APPLICATIONS. COMPLETE LIST OF ENGINE SPECIFICATIONS REQUIRED. THESE GRINDS MUST BE GROUND ON NEW BILLETS.