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Home > Pushrods > XD-A™ Adjustable Pushrods
Adjustable Kit Length 7.740" – 7.972", 3/8" Lifter Side Diameter, 5/16" Rocker Side Diameter
Adjustable Kit Length 7.740
Product Representation: Actual part may vary based on configuration ordered.
Part: 896807-KIT
Price: $374.94
Weight: 9.00 lbs FREE SHIPPING OVER $50!
Quantity:
GM LS XD-A™ Adjustable Pushrod

The patent-pending XD-A™ Adjustable Pushrod Kits include (16) adjustable pushrods and a 240-piece set of shim of various thickness.

The 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. 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, Top sections are available in 0/200" increments for coarse adjustment and work with hydraulic and solid roller camshafts. Available for GM LS engines with more popular applications coming soon.