The stroked crankshaft in the 96” engine changes the dynamic from 2006 and earlier model 88” engines, making correct cam choice crucial to avoid engine damaging detonation with today’s fuel quality. This equates to immediate throttle response and acceleration in RPMs, lower than ever before possible on a stock 2007-up Twin Cam® engine. Inducing turbulence in the chamber as early as possible is the secret to the 525’s tremendous results. Red Shift 525 Cams have a unique design feature which produces an extremely fast and turbulent inlet charge in the combustion chamber at low RPMs. Description Zipper’s Red Shift 525 Chain Driven Camsįitment: Zipper’s Red Shift 525 Cams 2007-2016 Harley FLH/FLT Touring Models, 2009-2016 Tri-Glides and 2007-2017 Softail and Dynas
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