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JIMS Big Axle Powerglide Tappet Block Kit, Polished Alu

Art no.: 20-839
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Panhead or Shovelhead engines can now have all the benefits of the hydraulic tappets fitted to Evolution engines eliminating the total oil loss of the stock hydraulic units. Made of 7075-T651 alumi- num rated at 83,000 psi, twice as strong 6061-T6 aluminum. Capable of the highest rpm's engines can safely turn, at a valve lift of .700". Machined to the center line of the cam and held to a tolerance of ±.002". Bores are held ±.0002" perpendicular to the mounting flange. Includes front and rear tappet blocks, 4 Big Axle Power glide tappets, tappet block gaskets and instructions. OEM # 1029-53B
Note
Fits Harley-Davidson Big Twin 53-E84
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