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PMX source unit not compatible with factory amplified systems
Made from soft yet resilient 92/8 Poly/Spandex
Base Color: Silver Base Finish: Chrome Color/Finish: Chrome Compatablity: Custom Replacement Finish: Chrome Product Name: Socket-Head Screws Riding Style: Street Type: Lever
*Note: Complete air cleaner kit
Remove any existing hardware or brackets
S&S Cycle 106-5519 3-1/2" Standard 80" HC Forged Pistons for 1978-'84 HD® OHV Engines Dominos PMX source unit not compatibleS&S Cycle 106 5519 These 3 1 2" standard 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
