Pure Grunt
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We used Lunati 4340 forged-steel Pro Mod rods (PN LAE1) in a 6.125-inch length (stock 350 Chevy is 5.700 inch). The 1/16-, 1/16-, 3/16-inch piston rings are Speed Pro Hellfire units file-fit to end gaps of 0.020/0.018/0.024. All the bearings are also Speed Pro chamfered race units to match the full-radius journals on the crank. Clearances are 0.0022 to 0.0025 on the rods and 0.0027 to 0.0032 for the mains. View Related Article
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