Comp Cams Designs XD-A Adjustable Pushrods for Improved Performance

Comp Cams is a leader in valvetrain technology as they continuously improve and expand upon their product offerings. Their latest addition to their line are the XD-A adjustable pushrods that are designed to reduce weight and improve accuracy. These game changing pushrods offer you a way to accurately set lash or pre-load while using non-adjustable rocker arms.

The XD-A pushrods have a top section that in 2” inside a wider section with one or two shims captured in between. They are currently only offered for GM LS engines, with more applications coming soon. These are proven to handle 9,000+ RPM in solid roller LS engines, so get yours now! Learn more about them in the official release below.

Official Release:

COMP Cams® XD-A Adjustable Pushrods Reduce Weight, Improve Accuracy

COMP Cams® introduces a game-changing method for accurately setting lash or pre-load while using non-adjustable-style rockers. The patent-pending XD-A™ Adjustable Pushrods incorporate a top section that slides two inches inside a wider bottom section, with one or two shims captured in-between. These pushrods won the Best New Performance – Racing Product Award during the 2016 SEMA Show. They are currently available for GM LS engines with more popular applications coming soon.

Proven to 9,000-plus RPM in solid roller LS applications, the system provides a 90-percent increase in bending stiffness for enhanced valve train stability. It also allows for lightening of a rocker arm system by 30-plus grams on the backside, by removing the adjuster and required support area for threads and seating. The use of lighter rockers (such as the COMP Cams® SPR™ Radius Tip Rocker Arms) with XD-A™ Adjustable Pushrods allows higher RPM to be achieved by creating a much more dynamically stable valve train system.

The pushrods are designed especially for engines with low-mass rocker arms and a light valve train, with drop-in fitment in LS engines. They can be adjusted over a range of .172″ in .004″ increments with shims, sold in sets of 16 by thickness or as a 240-piece set containing all available thickness options. Top sections are available in 0/200″ increments for coarse adjustment. The pushrods work with hydraulic and solid roller camshafts.

Quick Facts:

• Drop-in fitment in GM LS engines
• Can be adjusted over a range of .172″ in .004″ increments
• 90% increase in bending stiffness
• Excellent dynamics with lightweight rockers

About COMP Cams

Founded in 1976 and based in Memphis, TN, COMP Cams® has become the automotive performance aftermarket’s “Absolute Leader in Valve Train Technology.” Our mission is to produce the highest-performing products possible, provide superior customer service and lead the industry in technological development. Additional information about COMP Cams® and its products can be found at www.compcams.com or by calling 1.800.999.0853. You can also visit us on Facebook (facebook.com/COMPWins), Twitter (twitter.com/COMPCams), Instagram (instagram.com/compcamsofficial) and YouTube (CPGNationTV.com).

Features and Benefits:

  • Allows for Accurately Setting the Pre-Load While Using Non-Adjustable Rockers
  • Won Best New Performance Racing Products Award at 2016 SEMA Show
  • Made to Handle More than 9,000 RPM
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