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FBI 1 1/4" EZ Install Pointed Top Series with 1 1/4" Clamp
Larger 9mm diameter chrome moly tubing provides superior strngth and minizes pushrod flex
Highs are produced by an ultra-efficient 25mm dome tweeter with integrated phase plug and is made water/weather resistant with the addition of a Santoprene front isolation spider connecting between the tweeter housing and cone assembly
S&S® Grand National® 3
Tappet Cuffs Hard Anodized Black Coating
106" Big Bore Cylinder Kit for 2007-'17 HD® Big Twins (except '17 touring) - Silver Powder Coat Finish EXHAUST - BAD DAD SOFTAIL FBI 1 1/4" EZ InstallThis bolt on big bore cylinder and piston kit will increase the displacement of 96" or 103" engines to 106". It is as easy as a stock top end rebuild and requires no machining or flywheel rebalancing. For best performance, appropriate camshafts, performance air cleaner, performance exhaust and fuel system tuning are required.
