Page 1 of Lunati Connecting Rods by Holley Performance Products, Inc.

connecting rods connecting rod technical information cams valve train engine kits apparel cranks rods pistons machining tolerances connecting rods probably receive the highest stresses of any bottom end engine component the forces the rod receives when the piston direction reverses from top dead center can exceed 12,000 lb in a 500 c.i pro stock engine this is why lunati rods are forged from the finest premium quality 4340 alloy steel for strength and utilize lunati/arp rod bolts for superior clamping forces on the rod journal closer tolerances and pride in workmanship along with strict quality control are what makes lunati connecting rods the only logical choice for serious racers we at lunati feel the no other manufacturer will hold the close machining tolerances in manufacturing that we do our tolerances speak for themselves center to center distance ± .0001 bend and twist ± .0005 over 2.000 rod width ± .001 rod offset ± .002 large end bore ± .0001 small end bore ± .0001 bearing tang location ± .0015 note tolerances shown are for pro billet pro mod rods 264 www.lunaticamshafts.com

[close]