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07-925: Standard Male Mount
PERFORMANCE AIR FILTER:
Hydraulic style fitment: 14-16 Touring models with fairing
Wheel Sizes & Components:
S&S Cycle 106-5521 3-1/2",+.020", 80" HC Forged Pistons for 1978-'84 HD® OHV Engines fleece 07-925: Standard Male MountS&S Cycle 106 5521 These 3 1 2" +. 020" bore high compression pistons fit 1979 '84 74" HD big twin engines, producing 9: 1 compression with stock unmodified cylinder heads.. The modern alloys used in these pistons, coupled with the advanced skirt profiles, allow them to be fit tighter resulting in low engine noise and long engine life. In the past, this could only be achieved with weaker cast pistons. S&S will fit these pistons to your existing
