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Est. 1957
COMP Cams

COMP Cams Pushrod 9.350in Straight 7/16

$286.99

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COMP Cams 7/16in pushrods are made from heat-treated chromemoly for extreme valve train setups. Part# 8639-16.

Key Features

  • This is a full set of 16 pushrods, each measuring 9.350 inches long.
  • The 7/16-inch diameter offers increased stiffness and a higher natural frequency compared to smaller diameters.
  • These pushrods feature a consistent .165-inch wall thickness throughout, even in the tapered ends.
  • Constructed from one-piece, heat-treated chromemoly tubing made in the USA for superior strength.
  • The 5/16-inch ball ends incorporate a 210-degree radius for improved rocker adjuster clearance at high lift.
  • The radius on the ends allows for installation in either orientation, simplifying the build process.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

Starting with a consistent .165-inch wall thickness, even in the tapered ends, these COMP Cams pushrods are built significantly stiffer and stronger than common .080-inch or .125-inch wall designs. This robust construction, utilizing one-piece, heat-treated chromemoly tubing made in the USA, is crucial for handling the extreme valve train setups found in high-performance engines. The technology behind these pushrods was originally developed for demanding NASCAR and NHRA race applications, where pushrods can experience impact loads up to 7500 lbs. Choosing the right pushrod is essential to prevent catastrophic failure in such environments.

The 7/16-inch diameter offers additional stiffness and a higher natural frequency, which is a notable advantage when you have ample intake port and lifter clearance. The ends feature a 5/16-inch ball end with a 210-degree radius. This design provides extra clearance for the rocker adjuster at high lift, and it allows the pushrods to be installed either way, simplifying the assembly process. These pushrods are designed to be a direct fit for many performance engine builds where durability and strength are paramount.

Specifications

Brand
COMP Cams
Manufacturer Part #
8639-16
UPC
036584274131

Frequently Asked Questions

COMP Cams Pushrod 9.350in Straight 7/16

$286.99