Harley Lifters (4) Xl Sportster Comp
Cams Precision Tappets V-twin 10-8281 T6
USD $205.20
Condition : New
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Check out these Quality Precision Comp Cams V-Thunder hi-rev hydraulic standard tappets, these limit plunger travel, to allow for higher RPM operation with the quiet and precision of hydraulics. Set of four. V-Thunder Hi-Rev hydraulic tappet features a unique anti pump race retainer. Designed to replace the normal clip so as precisely limit travel of the plunger during operation, this allows the valve train to perform more like a mechanical stern allowing higher RPM operation with quiet and precision of hydraulics. More Information Made in USA FITS Harley Davidson Sportster XL 1991-1999 V-Twin Mfg. V Thunder HY-REV Hydraulic Lifter Assembly VT Part No. 10-8281 This is a custom application and rider safety depends on proper installation. This product should only be installed by a knowledgeable and trained motorcycle technician. V-Twin Mfg. accepts no responsibility for improper installation. Note: We recommend consulting the OE service manual, for your model, before installing your new V-Thunder HYREV lifter assemblies. Do not disassemble the lifter as the components are matched assemblies. Installation Instructions: 1.Inspect the cam, cam bearing, nose cone cam bushing and cam bushing to cam bearing alignment for wear and/or proper alignment before you begin installing the new lifters. Warning: Do not clean your new lifters in solvent. 2.Prior to installation, wipe clean with a lint free cloth, and then coat the roller bodies with a thin layer of assembly lube. Note: Do not use a molydisulfide lubricant on the assembly. 3.Be careful to line up the lifter body oil hole in the lifter block. Before starting the engine, inspect and clean the tappet oil screen located in the crankcase in front of the rear lifter block above the oil pump and gear case cover. 4.After installation of the lifter blocks per the OE service manual, proper adjustment of the adjustable pushrods is necessary for optimum performance from the V Thunder HY-REV Lifter assembly. We recommend using V- Thunder Fast Times Pushrods, V-Twin Part# 11-7712. 5.Adjustment procedure is different from stock lifters; get the lifter on the base circle of the camshaft (lifter at the lowest level in lifter block) and then remove all rocker arm to pushrod clearance (zero lash), by adjusting the pushrods out. Once you have zero lash, adjust out one turn (.0416”), with 24 thread per inch pushrod. If, after running the engine to normal operating temperature, there is excessive noise, shut the engine down and tighten the pushrods one more flat only.
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