configurations or production valve springs new new lsx connecting rods like our ... are made of high-strength 4340 forged steel to deliver worry-free performance for ... performance check out the accompanying chart for all of the camshafts from gm ...
chevy big-block v-8 rocker arms steel rocker arms steel rocker arms are ... ines stainless-steelvalvewithu ndercutchrome-platedstems ,single- ... rateengines stainless-steelvalvewithu ndercutchrome-platedstems ,single- ... ines stainless-steelvalvewithu ndercutchrome-platedstems ,single- ... rateengines stainless-steelvalvewithu ndercutchrome-platedstems ,single- ... pismachinedand ground from 8620 steel note not for use with production height ... -valve covers rocker arms 12523976 steel rocker arm assembly not shown 12368085 ... rocker arm set 1.7:1 ratio 12368082 steel long slot rocker arm 1.7:1 ratio not ... stud kit p/n 12495518 big-block valve springs part number 3970627 12371061 12371062 ... two materials are used 1010 mild steel for high-performance street cars power ... and extended lengths check the usage chart below to verify proper applications big ...