Twin Cam™ Powerglide™ II Tappet by JIMS®. This tappet replaces and surpasses H-D® No.18538-99B or JIMS® No.1806 Powerglide. JIMS® has been manufacturing tappets for over 30 years, and is the only aftermarket manufacturer that manufactures all tappets in house. This lifter has developed into the motorcycle's industries most popular performance tappet for Twin Cam. They have a proven track record to back them up. This tappet has undergone extensive development to increase its load, lubrication, hydraulic and life capacities. The Powerglide® II, has all the advantages of it's predecessor - billet body, superior hydraulic unit, roller perpendicularity held to .0002", hand-honed hydraulic unit cavity.
Notes
Preliminary tappet adjustment will make the pushrod tight
You must wait 5-15 minutes or longer to fully bleed off the hydraulic tappet (Tappets come pre-oiled)
It is very important that the engine is not rotated while pushrods are tight
The pushrod will spin with your fingers after the tappet has bled off
Never turn the engine over if the tappet will not spin with your fingers after adjustments were made
Features
The total dynamic load capacities have been increased over 30% straight across the board
The lubrication capacities for the hydraulic unit and valve train (top end) have increased 10%
The lubrication capacities for the roller, cams, and cam bearings have increased 100% (Increased
cooling)
New Axle & Wider Roller for increased longevity in today's big inch and high spring pressure engines
The industries ONLY oil fed axle for lubrication of axle, roller and cam assembly
A must for a performance tappet
Each hydraulic unit cavity is "hand honed" to a fitment of .00015. for REDUCED valve train noise
Another industry exclusive
Products designed to fulfill the needs of motorcyclists
Expertly crafted from the highest grade materials
Will provide years of dependable service
Made in USA
JIMS® is familiar with critical and tight tolerances. Their parts are used and trusted worldwide, on a daily basis, in critical working assemblies. A very unique talent that JIMS has under their roof is their experience with combustion engine development and manual transmissions. JIMS has developed several motorcycle engines and transmissions and produced these products in the thousands. From ground-pounding burnouts, and high-revving scenarios, to everyday commuting, these parts are put to the test before ever being offered for sale.
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JIMS® 1807 - Twin Cam™ Powerglide™ II Tappet
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