Page 5 of Lunati Connecting Rods by Holley Performance Products, Inc.

connecting rods pro mod rods cams 4340 forged steel pro modtm connecting rods lunati s pro mod connecting rod is stronger and lighter than most other steel connecting rods made from aircraft quality 4340 certified material the pro mod connecting rod is the one that is most often chosen by leading engine builders and it s approved by nhra custom profiled on state-of-the-art cnc machining centers the big end features an all new cam cut that greatly reduces the need to modify the connecting rod in long stroke applications quality 7/16 lunati 187,000 sb-pro/220,000 bbpro rod bolts are used in all rods connecting rod sets are weight matched to ± 1.5 grams per end the small end is fitted with an ampco 18 bronze bushing pro mod rods are available in standard and super duty configurations the standard series is good for medium to high horsepower and torque applications for street strip road race and oval track applications each small block rod weighs approximately 625 grams the super duty series is designed for a 400 cubic inch oval track type application approximate weight is 670 grams full floating bronze ampco bushing pistons valve train forged in the u.s.a from premium quality 4340 alloy steel rods engine kits cranks big end is cam cut to reduce the need to modify the rod on long stroke applications lunati offers a rod bolt-stretch gauge under part 98401 see page 274 for more information single rib cap for distortion free performance 187,000 psi cap screw apparel 268 www.lunaticamshafts.com

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