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Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
Black: 18-090
moly lube and Loctite
Drag Specialties 1741-2905
LA Choppers LA-8320TH16B
S&S Cycle 106-5514 3-1/2" +.030", 80" LC Forged Pistons for 1978-'84 HD® OHV Engines Grady Black: 18-090S&S Cycle 106 5514 These 3 1 2" +. 030" bore pistons fit 1979 '84 80" HD big twin engines, producing 8: 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 cylinders (when
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