ENGINE SECTION RED PART NUMBERS INDICATE NEW PARTS 6-58 1 2 3 4 5 6 7 8 9 10 11 CONTENTS REFERENCE GENERAL EXHAUST FUEL DRIVE TRAIN ENGINE WHEEL CONTROL FRONT END FRAME ELECTRICAL Part 61989 Part 60791 Tappet Block Kit & Tappet Reamer • High strength tappet blocks made from CNC machined 7075-T651 billet aluminum. • Big axle tappet rollers for improved durability and better tracking on the cam lobe. • Powerglide™ hydraulic tappets provide the closest thing possible to a solid lifter, and still remain a hydraulic that can compensate for heat expansion. • .761” O.D. tappet bodies (.030” larger than stock) provide enhanced stability and longer life. • Can be used with hydraulic or solid type cam shaft. • Improved drain-back design eliminates oil build-up in the pushrod covers. • Designed to accommodate cams with a gross lift of .550” at the valve. • Includes instructions. PERFORMANCE TAPPET/BLOCK KIT FOR PANHEAD AND SHOVELHEAD Part 61398 Fits Panhead and Shovelhead 1953/1984 Fits Twin Cam 2000/2017, Milwaukee-Eight® Models 2017/ Later & Sportster 2000/Later Fitment O.D. Part # Big Twin Evolution 1984/1999 .8425” STD 61980 Sportster Evolution 1986/1990 +.002” 61981 Twin Cam 1999/Later .8425” STD 61982 Sportster 2000/Later HYDRAULIC TAPPET INSERT FOR PANHEAD & SHOVELHEAD • This precision manufactured replacement Hydraulic Insert Assembly will fit original or aftermarket tappets. • Meets OEM specifications. • Sold each. • High performance engines require high lift high performance camshafts. • This adds increased loads on the tappet rollers, which can lead to failure. • If you have ever had roller bearings in the tappet disintegrate and damage your entire engine, you know what this upgrade can do for you. • These tappets eliminate the needle rollers and replace them with a special bronze alloy bushing, still utilizing the proven Jims PowerglideTM tappet assembly. • Sold each. Fits Panhead and Shovelhead 1953/Later (Rpls. HD 17920-53A) Part 61396 61980 61982 POWERGLIDETM STEADY ROLL TAPPETS FOR BIG TWIN & SPORTSTER ADITIONAL PARTS REQUIRED Includes Big Axle Tappets • For extreme performance motors. • Pressure feeds oil to the needle bearings. • Has slow and balanced leakdown for highest RPM capability. • Sold in Set of 4. • When you encounter worn out or damaged tappet bores on a Twin Cam engine case, replacement of the engine case used to be the only fix. • With this oversize tappet reamer, you can now simply make a single pass with the tool and install +.010” oversize lifters, and your problem is solved. HYDRAULIC PERFORMANCE TAPPET SET CASE SAVER OVER SIZE TAPPET REAMER FOR TWIN CAM ENGINE CASES Fitment Size PowerGlide Hydraulic Part # Twin Cam 1999/2017 +.010” STD 61987 Sportster 2000/Later
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