Elgin Custom Push Rods for GM LS Engine - Engine Builder Magazine

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Elgin Custom Push Rods for GM LS Engine

Engine Builder
By Engine Builder

Elgin Industries has expanded its industry leading Elgin PRO-STOCK® 500 Series range of push rods with a new, custom-length 5/16” diameter push rod engineered specifically for GM LS performance engines.

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The new, 7.450”-long Elgin PRO-STOCK PR-515 push rod adds .050” to the popular stock rod length for LS engines to provide additional lifter pre-load lash needed for steep-ramp-profile performance camshafts used in conjunction with non-adjustable LS rocker arms.

As with all Elgin PRO-STOCK 500 Series push rods, the new PR-515 rod features .075” wall thickness, providing 20% greater column strength than stock push rods. 500 Series push rods are manufactured from heavy-wall 1010 carbonitrided steel tube for exceptional wear properties, and are rated for spring pressures up to 400 lbs.

To learn more about these and Elgin’s other world-class parts for LS engines, please use the company’s electronic catalog at https://catalog.elginind.com and/or contact your Elgin supplier.

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These pistons are forged from 2618T aluminum alloy and machined on dedicated CNC machine cells to tight tolerances. 2618 aluminum has a lower silicon content than other alloys. That makes the pistons stronger and more ductile—perfect for high-load, high-stress applications like superchargers, turbochargers, or nitrous oxide. 

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