The HPT 560 Cam Chest Kit for 2023-2026 H-D® M8 Models With VVT (chrome pushrod tubes) includes:
Chain Drive HPT560:
(NOTE: The VVT560 cam can only be installed on a 121 engine)
• Bolt-In Design for Easy Installation: Engineered as a direct-fit replacement for 2023 and newer Harley-Davidson® models with VVT camshaft systems. No custom grinding or complex timing adjustments required—install with confidence and hit the road faster.
• Massive Power Gains: Boost your performance with up to 24 HP increase over stock when paired with S&S Cycle intake and exhaust systems. Experience the thrill of enhanced acceleration and top-end power.
• Torque That Turns Heads: Gain 14 lb-ft of torque over stock for superior low-end pull and mid-range grunt, perfect for highway cruising or spirited backroad adventures.
• Full Compatibility: Works flawlessly with your stock valvetrain for hassle-free reliability. Also optimized for S&S rocker arms, allowing for even greater customization and performance potential.
• Premium Construction: Crafted from high-strength billet 8620 steel for exceptional durability, wear resistance, and longevity under high-stress conditions. This billet material ensures precise lobe profiles and consistent performance mile after mile.
Quickee Adjustable Pushrods:
• Simple installation and on bike adjustment
• No need to remove rocker boxes
S&S Precision Tappets:
• Hand-assembled to exacting tolerances
• Reduced valvetrain noise with superior high RPM performance
• Close tolerances ensure consistent oil pressure and lift Tappet Cuffs:
• Hard anodized billet aluminum construction
• Eliminates distortion for improved tappet stability
• Optimized for high-lift and high-RPM operation
Oil Pump & Cam Plate:
• Precision CNC machined from billet aluminum
• Independent scavenge sections for flywheel cavity and cam chest
• Removable passage plugs for easy servicing
• Dual debris screens and magnetic pickup for superior oil filtration
• +44% increase in oil supply flow / +58% increase in scavenging efficiency
• Adjustable pressure relief valve (tunable while installed)
• Includes S&S High Performance Cam Chain Tensioner