The MILLER MID-LIFT PRO-SHAFT® systems span more than 25 years of high-end, no compromise engineering, and are the ultimate in aluminum roller tip rocker arm technology. Currently available only for the NASCAR engines and Ford's BOSS 429; the 15° & 18° small block Chevrolet, Big Block and Big Chief systems are being added by July, 2004; with the Chrysler Hemi and others being added later in the end of the year.

How do we measure what defines "the ultimate?" Obviously, we don't do it with volume sales. We define the ultimate by engineering, innovation, materials and workmanship. From these perspectives, the MILLER MID-LIFT® PRO-SHAFT® roller tip rocker arms are the finest STAND mounted system money can buy. There is no other aluminum rocker arm that delivers the ultimate amount of information from your cam with the least amount of wasted rocker arm motion. That's Precision Geometry™. That's MID-LIFT®!

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A SEPARATE DESIGN Intake and Exhaust are used for nearly all engines, except the simpler in-line valve arrays used on small block Chevrolets, Fords and similar engines. Anything with a compound geometry valve array is designed as a separate project for each valve. Nothing is left to chance, accuracy is within 1 degree of MID-LIFT. The aluminum is 7150-T7, 33% stronger than 7075 and nearly double 2024. The grain runs with the rocker's length (and loads) not across it like the two most recognized names in "shaft" rockers. The bearings are Torrington's finest, including what you will only find on MILLER rocker systems, Needle THRUST bearings to counter the side loads imposed by the pushrods. The stands are 7075-T6 Bar, with ROLLED "J" threads, and the shafts are 5/8" 8620 alloy. If you really need the strongest, lightest and most precise, stand mounted aluminum roller tip rocker arms... you will find nothing even close.

Special order in most ratios you can dream up. Allow 4 weeks for delivery.